Jan Wahl

Jan Boyer Wahl (April 1, 1931 - January 29, 2019) was an American children's author. He was a prolific author of over 120 works, and was known primarily for his award-winning children's books, including ''Pleasant Fieldmouse'', ''The Furious Flycycle'', and ''Humphrey's Bear''. Wahl sometimes jokingly referred to himself as "Dr. Mouse," a nickname given him by a young fan. Provided by Wikipedia