Ms. McGovern, who worked at Little Golden Books and Scholastic, broke into children’s literature by writing about Roy Rogers after overhearing an editor wishing someone would write one.
Mr. Firth spent more than 40 years as the principal tympanist of the Boston Symphony Orchestra, and a company with his name now turns out some 12 million drumsticks and mallets annually.
In a career spanning 40 years, she brought artists like Joseph Beuys and designers like Miuccia Prada to the pages of Artforum, Interview magazine, Vanity Fair and others.