Ademar José Gevaerd

Ademar José Gevaerd (19 March 1962 – 9 December 2022), also known simply as A. J. Gevaerd was a Brazilian ufologist. He was editor of Revista UFO (UFO Magazine), founder and director of the Brazilian Center for Flying Saucer Research (CBPDV) and Brazilian Director for Mutual UFO Network (MUFON). He represented Brazil at the Center for UFO Studies. He appeared on the Globo Network, the Discovery Channel and the History Channel. He spoke in many cities in Brazil and in other 29 countries, and conducted over 700 field investigations of UFO cases in Brazil. He was described as one of the most respected of ufologists.