Tilt down portrait shot of smartly dressed elderly man in black coat and hat pointing at chalkboard wall and looking at camera
Handheld portrait shot of smartly dressed old-fashioned senior man in coat and hat standing against chalkboard wall and gazing into distance, then looking at camera and smiling
High angle portrait shot of old-fashioned senior man wearing hat, necktie and black coat standing against chalkboard wall and looking away, then turning towards camera
Smart happy male professor or scientist pointing at himself and then the chalkboard proud of his work
Professional woman giving business presentation with colleagues
Scientist in Lab Coat Pointing Right
Scientist in Lab Coat Pointing Right
Scientist in Lab Coat Pointing Right
Scientist in Lab Coat Pointing Right
NEW
Medium shot of young Middle Eastern man with long hair and beard pointing at program scheme on chalkboard while explaining startup idea to male partners sitting at desk in old-fashioned apartment
Senior professor pointing at formulas on chalkboard and explaining them to group of college students while giving lecture
Medium slowmo of contemporary businessman speaking to colleagues making business presentation in conference room pointing at drawing of graph at chalkboard