From Muppet Wiki

Karen Falk is an historian who serves as the head archivist for The Jim Henson Company.

In the late 1990s to early 2000s, she was the primary contributor to the Ask Henson.com column on the Henson.com website, answering a multitude of questions about the history of Jim Henson and the Muppets.

Falk has appeared as a discussion panelist at a number of events, including those held in October of 2003 at The Museum of Television and Radio and in November of 2004 at the Brooklyn Academy of Music. She has also contributed to a number of non-fiction books, having written an introduction to Jim Henson's Designs and Doodles, as well as a special section on Jim Henson for the liner notes of Manhattan Research, Inc.. Additionally, Falk has served as a coordinator for a number of Jim Henson exhibits and holds a seat on the board of directors of The Jim Henson Legacy.