Moe grijze haren professor aanraken van de neus-brug - Stockfoto’s en -afbeeldingen

Tired senior bearded businessman sitting at table and using laptop isolated on black

Handsome smiling senior man while sitting at his cozy workplace with laptop at home, retired male chatting with friends in social media

Senior lecturer in empty lecture room screaming and looking at camera

Grey hair professor looking at laptop

Overworked senior writer sitting at messy workplace

Exhausted middle aged businessman touching head at table with laptop in office

Mature businessman with neck pain working with laptop at office

Depressed senior writer sitting at his messy workplace and holding head with hands

Selective focus of tired man looking at laptop while holding glasses

Overworked adult freelancer sitting on couch and holding head with hands

Tired student touching nose bridge while working with laptop in library

Tired senior writer sleeping at workplace

Depressed senior writer sitting at workplace with blank manuscript