Bill Chalker is one of Australia’s leading UFO researchers and has written extensively on the subject. He has a background in chemistry and mathematics.
He was a contributing editor for the International UFO Reporter and has been the Australian representative for the Aerial Phenomena Research Organisation (1978 to 1986) and a New South Wales state representative for the Mutual UFO Network (1976 to 1993).
Bill has undertaken extensive research and published major papers on many topics including Australian physical evidence, historical Australian reports (pre-1947), the Royal Australian Air Force (RAAF) and UFOs, Australian “missing time” events and UFO abduction experiences.
In 1982 Bill Chalker was the first civilian researcher to gain direct access to the previously classified RAAF UFO files during several visits to the Canberra headquarters of the Directorate of Air Force Intelligence.
He has contributed to such publications as Rolling Stone and Reader’s Digest. Author of the “The OZ Files – The Australian UFO Story” (1996), “Hair of the Alien – DNA and Other Forensic Evidence for Alien Abductions” (2005), Australian chapter author of the UFO History Group’s major study “UFOs and Government” (2012) and Australian content author for all 3 editions of Jerome Clark’s “The UFO Encyclopedia” – the latest in 2 volumes (2018) and in a 7-part series (2021).