Early endeavors Out of school and out of work during the end of the
Great Depression, he worked as a comedian on the upstate New York
Borscht Belt circuit. From 1936 until 1941, Jay Williams worked as a
press agent for
Dwight Deere Winman,
Jed Harris and the
Hollywood Theatre Alliance. He is probably best known for his young adult "
Danny Dunn" science fiction/fantasy series which he co-authored with
Raymond Abrashkin. Like his first novel,
The Stolen Oracle, Williams wrote mysteries for young adults, including
The Counterfeit African (1945) and
The Roman Moon Mystery. He also wrote adult crime fiction, using the pseudonym Michael Delving. Williams also wrote non-fiction books:
The Middle Ages,
Knights of the Crusades,
The Spanish Armada, and
Joan of Arc, as well as his young adult Landmark book on
World War II,
The Battle for the North Atlantic. He was known for his extensive research in both his fiction and non-fiction. He wrote about the environment in his
Fall of the Sparrow, describing the
loss of numerous animal and bird species, often due to man; and he wrote a travel book,
A Change of Climate, a European trip with his son, Chris. ==Personal life==