Man elaborating theory on a black board
Man elaborating theory on a black board
Man elaborating theory on a black board
Man elaborating theory on a black board
Man elaborating theory on a black board
Man elaborating theory on a black board
Store manager discussing product features with customer
Store manager discussing product features with customer
Professor engaging lecture
This compelling photograph captures an aged professor, wearing eyeglasses, passionately explaining a subject to a group of seated students, creating an atmosphere of attentive learning in a classroom setting.