Nachdenklicher Mann mittleren Alters, der vor grauem Hintergrund steht und nach oben blickt, mit Kopierraum - Stockfoto & -bild

Self-conscious middle-aged businessman standing with arms crossed

Studio shot of wrinkled face businessman with hand on his chin wearing suit and looking thoughtful while sitting at dark background. Professional man wearing suit and tie.

Grinning bearded teacher wearing eyeglasses and brown shirt in front of blank chalkboard looking away

Thoughtful man wearing glasses standing relaxing against a windowsill staring out of a window with a serious expression with copy space

Middle-aged man standing with folded arms leaning against a windowsill turning to look at the camera with a pensive expression

Thoughtful attractive middle aged businessman wearing glasses standing looking up into the air, close up head and shoulders with copy space

Confident middle-aged male teacher standing in front of a blank green chalkboard with folded arms looking at the camera with a friendly smile

Grinning bearded teacher in eyeglasses and brown sweater standing in front of green chalkboard with blank copy space

Confident middle-aged male teacher or professor standing in front of a blank chalk board with folded arms smiling

Grinning single smiling business man in blue shirt and blazer leaning against doorway with blank chart and wall