Dr. Les Johnson will be the guest speaker for a program planned at the Eclipse Block Party Monday, April 8, at 11 a.m. at the Hemingway Pfeiffer Museum and Educational Center. There will be a $10 admission which will include eclipse glasses and an eclipse box of treats. The viewing site will be held on the grounds across from the museum. Those attending are encouraged to bring your lawn chair and set up will begin at 9 a.m. Dr. Johnson is a physicist, author, and NASA technologist. He is an elected member of the International Academy of Astronautics, a Fellow of the British Interplanetary Society and a member of the Science Fiction and Fantasy Writers of America, the National Space Society, and MENSA. In his day job, Dr. Johnson leads the development of advanced, in-space spacecraft propulsion technologies at the NASA George C. Marshall Space Flight Center in Huntsville, Ala. During his career at NASA, he served as the Manager for the Space Science Programs and Projects Office, the In-Space Propulsion Technology Project, and the Interstellar Propulsion Research Project. Games and activities are also planned prior to the pro gram with the event open to the public.