Martin Provensen - Tony the Tiger and Nancy Willard
Martin Provensen was a well known illustrator along with his wife Alice. He developed the "Tony the Tiger" image for Kelloggs, and wrote and illustrated numerous children's books. In 1982 he was a runner up for the Caldecott Medal for his work on "William Blakes Inn" for which Nancy Willard won the Newberry Prize.
Information on Martin can be found at: https://en.wikipedia.org/wiki/Alice_and_Martin_Provensen
Provensen and his wife lived in Dutchess County NY, as did Nancy Willard, husband Eric Lindbloom and son James.