Futurama silhouette of a professor on a red backgroundFuturama silhouette of a professor on a red background
Futurama silhouette of a professor drawn in pencilFuturama silhouette of a professor drawn in pencil
A famous scientist at the blackboard with formulasA famous scientist at the blackboard with formulas
A scientist on the background of a blackboard with formulasA scientist on the background of a blackboard with formulas
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Высшее учёное звание преподавателя высших учебных заведений, а также лицо, обладающее этим званием.