Philip Ravenhill

Does anybody have any pictures of the late Philip Ravenhill? I know he worked as a curator for the Smithsonian until his death in the late 90's. I cannot find any information about him at all.Any help would be appreciated.
Thanks
John

Some info and a picture here:

https://search.proquest.com/openview/22f206fd151947c6f90a194dfd24baf4/1?pq-origsite=gscholar&cbl=35901

and here:

https://www.nytimes.com/1997/10/16/arts/philip-l-ravenhill-52-expert-on-the-art-and-culture-of-africa.html