Conversation so far:
Was photography a hobby or a career for Eakins?
Photography was a staple of Eakins' career as an artist as he is credited with: “having introduced the camera to the American art studio.“
What did Eakins typically photograph?
Eakins performed his own independent motion studies, also usually involving the nude figure, and even developed his own technique for capturing movement on film.
Did Eakins paint the things he photographed?
After Eakins obtained a camera in 1880, several paintings, such as Mending the Net (1881) and Arcadia (1883), are known to be derived at least in part from his photographs
What else did Eakins use the photographs for besides paintings?
Eakins' Naked Series were nude photos of students and professional models which were taken to show real human anatomy from specific angles and were displayed for study at the school.
Which school were the photographs displayed at?
Eakins' photographs were displayed for study at Pennsylvania Academy of the Fine Arts

Question: Is there anything else of note about his affiliation with the University of Pennsylvania in Philadelphia?
Self-contained rewrite: Is there anything else of note about Eakins' affiliation with the University of Pennsylvania in Philadelphia besides having his photos displayed there?