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Serious professor Stock Photos

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In full growth. confident doctor with a stethoscope in hand.
In full growth. confident doctor with a stethoscope in hand. — Stock Photo, Image
Studio shot of young handsome bearded Persian man doctor against brown background
Studio Shot Young Handsome Bearded Persian Man Doctor Brown Background — Stock Photo, Image
In full growth. portrait of an experienced General practitioner
In full growth. portrait of an experienced General practitioner — Stock Photo, Image
Smiling GP looking through his glasses. isolated on a white
Smiling GP looking through his glasses. isolated on a white — Stock Photo, Image
Experienced male doctor handing you a bottle of hand sanitizer.
Experienced Male Doctor Handing You Bottle Hand Sanitizer — Stock Photo, Image
Scenic view of health care concept
Scenic View Health Care Concept — Stock Photo, Image
Scientist in front of formula looking at camera
Scientist Front Formula Looking Camera — Stock Photo, Image
Studio shot of man doctor giving handshake
Studio shot of man doctor giving handshake — Stock Photo, Image
Young caucasian doctor man wearing medical white coat over isolated background making fish face with lips, crazy and comical gesture. Funny expression.
Young Caucasian Doctor Man Wearing Medical White Coat Isolated Background — Stock Photo, Image
Portrait of stomatologist smiling at camera being in dental office
Portrait of stomatologist smiling at camera being in dental office — Stock Photo, Image
Doctor with a digital tablet looking at a white screen.
Doctor Digital Tablet Looking White Screen — Stock Photo, Image
Portrait of a doctor or medical specialist. Horizontal half length portrait. Man in scrubs. Light gray background.
Portrait Doctor Medical Specialist Horizontal Half Length Portrait Man Scrubs — Stock Photo, Image
A portrait of a professional medical doctor holding a blank white business card while looking at you
A portrait of a professional medical doctor holding a blank white business card while looking at you — Stock Photo, Image
Young chemist in the classroom
Young Chemist Classroom — Stock Photo, Image
Handsome senior doctor man wearing medical coat Hands together and fingers crossed smiling relaxed and cheerful. Success and optimistic
Handsome Senior Doctor Man Wearing Medical Coat Hands Together Fingers — Stock Photo, Image
In full growth. a male doctor with a stethoscope.
In full growth. a male doctor with a stethoscope. — Stock Photo, Image
Face of happy senior man doctor smiling while thinking
Face of happy senior man doctor smiling while thinking — Stock Photo, Image
Young handsome bearded man doctor wearing protective glasses against gray background
Young handsome bearded man doctor wearing protective glasses against gray background — Stock Photo, Image
Mature handsome doctor close up
Mature Handsome Doctor Close — Stock Photo, Image
Young blond doctor man with beard wearing medical coat hand on mouth telling secret rumor, whispering malicious talk conversation
Young Blond Doctor Man Beard Wearing Medical Coat Hand Mouth — Stock Photo, Image
Face of mature Japanese man doctor with eyeglasses
Face of mature Japanese man doctor with eyeglasses — Stock Photo, Image
Studio shot of man doctor with arms crossed
Studio shot of man doctor with arms crossed — Stock Photo, Image
Middle age male doctor walking away and look at camera isolated on white
Middle age male doctor walking away and look at camera isolated on white — Stock Photo, Image
Experienced old scientist working in the lab
Experienced old scientist working in the lab — Stock Photo, Image
Mature handsome doctor close up
Mature Handsome Doctor Close — Stock Photo, Image
In full growth. experienced doctor with a stack of books
In full growth. experienced doctor with a stack of books — Stock Photo, Image
Studio shot of happy man doctor smiling and standing while giving handshake
Studio shot of happy man doctor smiling and standing while giving handshake — Stock Photo, Image
Handsome young male doctor, nurse or pharmacy worker
Handsome young male doctor, nurse or pharmacy worker — Stock Photo, Image
Attractive young man with glasses
Attractive young man with glasses — Stock Photo, Image
Doctor writing clinical reports, medicine and health concept
Doctor Writing Clinical Reports Medicine Health Concept — Stock Photo, Image
In full growth. confident male doctor striding forward.
In full growth. confident male doctor striding forward. — Stock Photo, Image
Young professional scientist man wearing white coat over isolated background Hands together and fingers crossed smiling relaxed and cheerful. Success and optimistic
Young Professional Scientist Man Wearing White Coat Isolated Background Hands — Stock Photo, Image
Young blonde woman teaching maths sitting on desk at library university
Young Blonde Woman Teaching Maths Sitting Desk Library University — Stock Photo, Image
A strict teacher shows the student the exit to door from the classroom with a hand gesture.
Strict Teacher Shows Student Exit Door Classroom Hand Gesture — Stock Photo, Image
Young attractive male doctor
Young attractive male doctor — Stock Photo, Image
Nerd doctor isolated
Nerd doctor isolated — Stock Photo, Image
Top view. man doctor looking carefully ahead
Top view. man doctor looking carefully ahead — Stock Photo, Image
Handsome man doctor with short hair against gray background
Handsome man doctor with short hair against gray background — Stock Photo, Image
Confident doctor with a stethoscope. isolated on a white
Confident doctor with a stethoscope. isolated on a white — Stock Photo, Image
Qualified mature doctor in a white coat .
Qualified mature doctor in a white coat . — Stock Photo, Image
Smiling doctor looking at the test results . isolated on a white
Smiling Doctor Looking Test Results Isolated White — Stock Photo, Image
Female teacher near blackboard in classroom
Female teacher near blackboard in classroom — Stock Photo, Image
Studio shot of happy man doctor smiling with arms crossed
Studio shot of happy man doctor smiling with arms crossed — Stock Photo, Image
Qualified mature doctor with stethoscope stepping forward.
Qualified mature doctor with stethoscope stepping forward. — Stock Photo, Image
Middle age doctor men wearing medical coat making fish face with lips, crazy and comical gesture. Funny expression.
Middle Age Doctor Men Wearing Medical Coat Making Fish Face — Stock Photo, Image
Doctor writing clinical reports, medicine and health concept
Doctor Writing Clinical Reports Medicine Health Concept — Stock Photo, Image
Portrait of handsome man doctor wearing protective glasses
Portrait of handsome man doctor wearing protective glasses — Stock Photo, Image
Portrait of a confident male doctor dressed in uniform with stethoscope pointing bottle with pills to camera
Portrait of a confident male doctor dressed in uniform with stethoscope pointing bottle with pills to camera — Stock Photo, Image
Young handsome scientist man wearing glasses very happy and excited doing winner gesture with arms raised, smiling and screaming for success. Celebration concept.
Young Handsome Scientist Man Wearing Glasses Very Happy Excited Doing — Stock Photo, Image
Studio shot of handsome man doctor standing
Studio shot of handsome man doctor standing — Stock Photo, Image
Studio shot of handsome man doctor standing
Studio shot of handsome man doctor standing — Stock Photo, Image
The aged male doctor with skeleton
Aged Male Doctor Skeleton — Stock Photo, Image
Blond bearded man doctor with goatee against gray background
Blond bearded man doctor with goatee against gray background — Stock Photo, Image
Portrait of young handsome happy male doctor.
Portrait of young handsome happy male doctor. — Stock Photo, Image
Portrait of young handsome happy male doctor.
Portrait of young handsome happy male doctor. — Stock Photo, Image
Studio shot of man doctor standing with arms crossed
Studio shot of man doctor standing with arms crossed — Stock Photo, Image
Mature handsome Italian man doctor against gray background
Mature handsome Italian man doctor against gray background — Stock Photo, Image
Working conditions which prospective teachers must consider. Working conditions for teachers. Work far beyond the actual school day. Woman smiling teacher sit table classroom chalkboard background
Working conditions which prospective teachers must consider. Working conditions for teachers. Work far beyond the actual school day. Woman smiling teacher sit table classroom chalkboard background — Stock Photo, Image
Confident teacher in eyeglasses looking at his audience on laptop display while explaining new formula on blackboard during online lesson
Confident Teacher Eyeglasses Looking His Audience Laptop Display While Explaining — Stock Photo, Image
Scientist in eyeglasses and eyeglasses with formula
Scientist Eyeglasses Eyeglasses Formula — Stock Photo, Image
Young doctor at the table in his office.
Young doctor at the table in his office. — Stock Photo, Image
Young professional scientist man wearing white coat over isolated background Relaxed with serious expression on face. Simple and natural looking at the camera.
Young Professional Scientist Man Wearing White Coat Isolated Background Relaxed — Stock Photo, Image
Studio shot of man doctor with blond hair against gray background
Studio Shot Man Doctor Blond Hair Gray Background — Stock Photo, Image
Funny crazy professor studying animal skeletons
Funny crazy professor studying animal skeletons — Stock Photo, Image
Young handsome man doctor with blond hair against green background
Young handsome man doctor with blond hair against green background — Stock Photo, Image
Mature handsome Italian man doctor against gray background
Mature handsome Italian man doctor against gray background — Stock Photo, Image
Business law student working studying in the library
Business law student working studying in the library — Stock Photo, Image
Young handsome man doctor wearing eyeglasses against gray background
Young handsome man doctor wearing eyeglasses against gray background — Stock Photo, Image
Young math teacher in front of chalkboard
Young math teacher in front of chalkboard — Stock Photo, Image
Young professional scientist man wearing white coat over isolated background skeptic and nervous, frowning upset because of problem. Negative person.
Young Professional Scientist Man Wearing White Coat Isolated Background Skeptic — Stock Photo, Image
Young handsome man doctor with blond hair against green backgrou
Young handsome man doctor with blond hair against green backgrou — Stock Photo, Image
Funny male math teacher in the classroom
Funny male math teacher in the classroom — Stock Photo, Image
Portrait of a dedicated middle-aged teacher holding a blue folder while looking at camera in the classroom of a modern school or university
Portrait Dedicated Middle Aged Teacher Holding Blue Folder While Looking — Stock Photo, Image
Old male teacher in the classroom
Old male teacher in the classroom — Stock Photo, Image
Young successful doctor, medical working in hospital
Young successful doctor, medical working in hospital — Stock Photo, Image
The young math teacher in front of chalkboard
Young Math Teacher Front Chalkboard — Stock Photo, Image
Old male employee in retirement concept
Old male employee in retirement concept — Stock Photo, Image
Portrait of handsome bearded man doctor with curly hair outdoors
Portrait Handsome Bearded Man Doctor Curly Hair Outdoors — Stock Photo, Image
Male doctor, concept of healthcare and medicine
Male doctor, concept of healthcare and medicine — Stock Photo, Image
Old chemist isolated on white
Old Chemist Isolated White — Stock Photo, Image
Male scientist/doctor standing and crossing his arms beside windows. Portrait shoot in natural light.
Male Scientist Doctor Standing Crossing His Arms Windows Portrait Shoot — Stock Photo, Image
Face of young man doctor
Face of young man doctor — Stock Photo, Image
Studio shot of man doctor standing with arms crossed
Studio shot of man doctor standing with arms crossed — Stock Photo, Image
Old teacher in the classroom
Old Teacher Classroom — Stock Photo, Image
Studio shot of happy man doctor smiling while thinking and pointing finger up
Studio shot of happy man doctor smiling while thinking and pointing finger up — Stock Photo, Image
Aged male teacher in front of chalkboard
Aged male teacher in front of chalkboard — Stock Photo, Image
Young professional scientist man wearing white coat over isolated background pointing finger up with successful idea. Exited and happy. Number one.
Young Professional Scientist Man Wearing White Coat Isolated Background Pointing — Stock Photo, Image
Aged male teacher in front of chalkboard
Aged male teacher in front of chalkboard — Stock Photo, Image
Programming web development. Handsome man use modern technology. Digital technology. Apply online course. Selecting specific courses. School teacher programming laptop. Learn programming language
Programming web development. Handsome man use modern technology. Digital technology. Apply online course. Selecting specific courses. School teacher programming laptop. Learn programming language — Stock Photo, Image
Middle age doctor men wearing medical coat smiling and laughing with hand on face covering eyes for surprise. Blind concept.
Middle Age Doctor Men Wearing Medical Coat Smiling Laughing Hand — Stock Photo, Image
A young doctor is sitting in the clinic and holding diary in hand.
Young Doctor Sitting Clinic Holding Diary Hand — Stock Photo, Image
Smiling male doctor with a folder in uniform standing against wh
Smiling male doctor with a folder in uniform standing against wh — Stock Photo, Image
Old male teacher sitting in the classroom
Old male teacher sitting in the classroom — Stock Photo, Image
Handsome middle age doctor man wearing medical coat looking away to side with smile on face, natural expression. Laughing confident.
Handsome Middle Age Doctor Man Wearing Medical Coat Looking Away — Stock Photo, Image
Portrait medical doctor on white background, medical concept
Portrait Medical Doctor White Background Medical Concept — Stock Photo, Image
Doctor is a therapist with a clipboard. isolated on a white
Doctor is a therapist with a clipboard. isolated on a white — Stock Photo, Image
Blond bearded man doctor with goatee against gray background
Blond bearded man doctor with goatee against gray background — Stock Photo, Image
Studio shot of man doctor with blond hair against gray background
Studio Shot Man Doctor Blond Hair Gray Background — Stock Photo, Image
Happy male medical doctor portrait in hospital.
Happy Male Medical Doctor Portrait Hospital — Stock Photo, Image
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