Duke Johnson is not mentioned in the provided text about Duke University affiliations.
The provided text details various individuals affiliated with Duke University, including alumni, faculty, Nobel laureates, and Turing Award recipients. It outlines the university's academic structure, encompassing undergraduate and graduate schools, and lists notable figures across diverse fields such as computer science, public policy, religion, and entertainment.
The document specifically highlights individuals recognized with prestigious awards like the Nobel Prize and the Turing Award, underscoring Duke's academic achievements. It also enumerates alumni who have achieved prominence as heads of state, members of Congress, judges, diplomats, and those involved in business, education, and the arts. The text further categorizes faculty and prominent philanthropists associated with the institution.
Additionally, the extract mentions fictional characters from film and television who are portrayed as Duke alumni, illustrating the university's presence in popular culture. However, the name "Duke Johnson" does not appear within this extensive list of affiliations or mentions.