While researching Bill the Boy Wonder: The Secret Co-Creator of Batman, I went to nutty lengths to find people who knew Bill Finger or his family. Given that Bill had died in 1974 and left less trace than you would believe, I had little choice.
His first wife Portia died in 1990, so I felt I had a shot of finding friends of hers, many of whom were gay. There is a gay and lesbian center near where she was living when she died, so I made this flyer and posted it there:
Since that didn’t work, I’m posting it here.
(By the way, the phone number is old and inactive.)