ARL has released "Memorial: William Gosling, 1943–2019."
Here's an excerpt:
At University of Michigan (U-M), Gosling served as university librarian from 1997 to 2005. Under his leadership, U-M became one of the initial partners in the Google Books Project, which grew into the HathiTrust Digital Library. Before becoming university librarian, Gosling was assistant director for technical services and library systems at U-M from 1986 to 1997. Prior to that, he served as head of technical services at Duke University Libraries from 1976 to 1986.
Complete obituary from the Ann Arbor News.