Arabian male yoga instructor holding outdoor session - holding his foot and talking to his students
Scientist Assistant Takes Notes in Laboratory, Assistant Checks Glass Jars
Dolly-in portrait shot of smart male mathematician with serious expression on his face standing with his arms crossed before blackboard with complex calculus formulas
student leaving college holding his textbooks and rucksack
Student counting task on his calculator and receiving positive result
Dolly-in shot of cheerful male university professor standing before blackboard with complex calculus formulas and posing for camera with his hand on chin
A student poses with a notebook at the academy
Medium shot of male African American teacher and his young assistant awarding diplomas to graduated students
Male Scientist Sharing Tablet with Coworker in Lab. Two Men in White Coats Examining Screen. Senior Man Observing.
The scientist and his assistant conduct chemical experiments in an underground laboratory in Slow motion
The scientist and his assistant conduct chemical experiments in an underground laboratory in Slow motion
The scientist and his assistant conduct chemical experiments in an underground laboratory in Slow motion