Prompt
Generate a realistic image of Jon Postel, an American computer scientist and Internet pioneer, in a professional setting, possibly in front of a computer or with a subtle background that hints at his work in computer networking and Internet protocols. He should be depicted in attire typical of the era, with a warm and approachable demeanor, reflecting his significant contributions to the development of the Internet, including his roles as RFC Editor, co-creator of the Internet, and director of IANA.