initial days of the Yom Kippur War, was removed from his position as Chief of Staff of the Egyptian Armed Forces after a dispute with President Anwar Sadat. The latest U.S. Air Force jet fighter, the F-16, commonly called the "Viper" though identified as the "Fighting Falcon", was introduced by the General Dynamics Corporation. Claude Vorilhon, a French sports-car test driver and journalist, moved into a new career after experiencing, as he described it, an encounter with an extraterrestrial being while in a secluded area. Within a year, he published his first book, Le Livre Qui Dit La Verité ("The Book That Tells the Truth") would change his name to "Raël", and establish his own cult. Born: Christie Clark, American TV actor known for her regular role, from 1986 to 2019, on Days of Our Lives; in Los Angeles Died: Monica Brewster, 87, New Zealand patron of the arts and benefactor of the Govett-Brewster Art Gallery December 14, 1973 (Friday) A group of three researchers from West Germany's Schering Pharmaceutical Company announced in the science magazine Nature that they had found "a simple, practical technique" of separating sperm with the X chromosome from that with the Y chromosome, a process described by the Reuters news agency as "a development of wide implication for human and animal genetics." France's Finance Minister (and future President), Valery Giscard d'Estaing, announced that his government had agreed to accept the massive collection of paintings, sculptures, lithographs and pottery accumulated by Pablo Picasso, relieving Picasso's heirs from payment of inheritance tax. The donation did not include the artwork of Picasso himself. Born: Thuy Trang, Vietnamese actress, in Saigon (died 2001) Died: Bill Enis, 39, American sportscaster, died of a heart attack. December 15, 1973 (Saturday) The Trustees of the American Psychiatric Association (APA) voted, 13 to 0, to remove homosexuality from the APA's list of mental illnesses described in its upcoming edition of Diagnostic and Statistical Manual of Mental Disorders (DSM-II). The resolution, introduced by Dr. Robert L. Spitzer and endorsed by APA President Alfred Freedman, declared that "by itself, homosexuality does not meet the criteria for being a psychiatric disorder" and resolved that the APA "will no longer insist on a label of sickness for individuals who insist that they are well and demonstrate no generalized impairment in social effectiveness." The American Psychological Association had revised its own works in 1972, removing homosexuality from being