Stanton T. Friedman is a nuclear physicist who worked on a wide variety of advanced, classified nuclear systems for major industrial companies. He began the civilian investigation of the Roswell Incident; wrote Flying Saucers and Science and TOP SECRET/MAJIC; and coauthored Crash at Corona, Captured! The Betty and Barney Hill UFO Experience, and Science Was Wrong. He has appeared on hundreds of radio and television programs. Friedman resides in Fredericton, New Brunswick, Canada.

Educator and sociologist Kathleen Marden is Betty Hill's niece and trustee of her estate. She has all of Hill's papers and correspondence, and has transcribed the tapes of the Hills' hypnosis sessions with psychiatrist Dr. Benjamin Simon. Marden has also met with the numerous scientists who investigated the case. For the past 10 years, she has served on the Board of Directors of the Mutual UFO Network, the largest International UFO organization and as director of Field Investigator Training for MUFON. Marden lives in Stratham, New Hampshire.