Mysterious Invaders: Twelve Famous 20th-Century Scientists Confront the UFO Phenomenon - Paperbackby Lochlainn Seabrook (Author) On July 29, 1968, six distinguished scientists, including J. Allen Hynek, Carl Sagan, and James E. McDonald, met before the Committee on Science and Astronautics, in the House of Representatives at Washington, D. C. In addition, six scientists of note, including Stanton T. Friedman and Robert L. Hall, were invited to submit prepared statements to the committee to be entered into the Congressional record. This meeting of