Heather Ellen Hinkel was born on July 31, 1959 and raised in Reading, Pennsylvania. She produced many events including the Malibu Women's Fun Festival, Hinkee Presents..., and A Night of Bettys. Her collection consists of detailed records of her produced events, personal mementos, and photographs and posters.

Phyllis Lambert was the auction sales manager for California Thoroughbred Consultants, which bought and sold horses in Los Angeles, CA. Her collection consists of personal photographs and memorabilia, newspaper clippings, and horse auction catalogues.