Professora idosa. Professor engraçado ou cientista em um terno elegante. Copiar espaço em quadro-negro, quadro-negro, banner - Banco de fotos e imagens

Confident teacher or professor. People scientist occupation concept. Copy space on chalkboard, blackboard, banner

Confident teacher or professor. People scientist occupation concept. Copy space on chalkboard, blackboard, banner

Smiling grey hair professor holding paper plane in lecture room

Elderly teacher. Funny professor or scientist in a elegant suit. Copy space on chalkboard, blackboard, banner

Old teacher open arms in classroom. Happy friendly senior in front of a chalkboard. Funny professor or scientist in a elegant suit

Professor or serious teacher. Elderly man teacher on a blank chalkboard during lesson, teaching class at college. Think senior

Closeup face of professor or teacher on blackboard isolated. Senior professor with gray hair in college

Confident middle-aged male teacher or professor standing in front of a blank chalk board. Funny professor or scientist in a elegant black suit. Teachers day

Senior man. Portrait of senior man with white beard over a wooden background

Senior man. Portrait of senior man with white beard over a wooden background

Senior man. Portrait of senior man with white beard over a wooden background

Senior man. Portrait of senior man with white beard over a wooden background

Senior man. Portrait of senior man with white beard over a wooden background

Old bearded man with long grey beard on smiling face in checkered shirt with red chilli pepper or capsicum on wooden wall background

Old bearded man with long grey beard on smiling face in checkered shirt with red chilli pepper or capsicum on wooden wall background

Senior man. Portrait of senior man with white beard over a wooden background

Isolated shot of young handsome male with beard mustache and trendy hairdo

Senior man. Portrait of senior man with white beard over a wooden background

Senior man. Portrait of senior man with white beard over a wooden background

Senior man. Portrait of smiling happy man with white beard over a wooden background

Senior man. Portrait of senior man with white beard over a wooden background

Handsome bearded old man with silver moustache on serious face in white hard hat and suit with notebook and pen on gray background

Bearded man with long beard on serious face holding wood cup with iron decoration in fur coat outdoor sitting on wooden chair

Successful middle eastern business man. Bearded stylish businessman. Serious face. Handsome young man on grey background looking at camera