Handheld shot of middle aged female professor in glasses delivering lecture to multi ethnic group of students at university
Medium shot of curly haired middle aged university professor talking to group of students in lecture hall
Middle aged curly haired teacher entering lecture hall, greeting multi ethnic group of students and starting lecture on calculus at university
Tracking shot of middle aged curly haired male professor talking to students when sitting in lecture hall at university
Middle aged male teacher of mathematics drinking coffee and using laptop computer at work when delivering lecture on calculus to multi ethnic group of students
Front view of middle aged university teacher looking at students and using laptop computer when delivering lecture on calculus
Group of students of different ethnicities sitting in lecture hall at university, one of them talking to female professor seen from her back
Middle aged female university teacher in glasses smiling and talking to multi ethnic group of students when asking questions during lecture
Young student discussing work with math teacher in lecture hall
Medium shot of multi ethnic group of students raising hands to answer questions asked by smiling middle aged female professor in glasses during lecture at university
Diverse students engage in lecture at university, one conversing with professor
Middle aged female professor in glasses taking notes in notebook and talking to students when listening to their answers during lecture at university