Meg Wohlberg grew up in New York City and studied art at the Rochester Atheneum, now the Rochester Institute of Technology, and at the National Academy of Design in New York.

In the 1930’s, she illustrated advertisements for products including Ivory Soap, Gerber Baby Food and Johnson & Johnson baby-care products. In the 1950’s, 60’s and 70’s, she illustrated more than 70 children’s books, including three pop-up books that she wrote herself, and the Andy Books, a series published by William Morrow & Company. Mazza owns art from Rockettes Don’t Go to Chicago, Andy and Andy and Mr. Cunningham.