From Muppet Wiki

Jan Rosenthal is a University of Connecticut graduate in Puppetry. In 1978, Rosenthal began working at Henson as a puppet builder and designer.

Rosenthal left Henson in 1987 to pursue a career in toy design and was hired by Fisher Price. Today she is a freelance toy inventor and designer.

Henson Credits

• The Muppet Show - built Lottie Lemon and her Singing Wig, clams, and other major characters
• The Muppets Take Manhattan- Muppet design and construction
• Fraggle Rock- Muppet designer
• Follow That Bird- Built Mommy Dodo
• Little Muppet Monsters- built Boo Monster
• The Christmas Toy- built Apple and Mandy
• Tale of the Bunny Picnic- built "Dop-De-Diddly-Dog Bop"