Frederick Raymes was born in Germany in 1929 and immigrated to the United States in 1946 where he received his degree in Aeronautical Engineering. He served in the US Army and was employed in the US Defense Industry where he headed a program that developed the Space Shuttle. He is now an active volunteer lecturing on the Holocaust in schools, and has five grandchildren. Menachem Mayer was born in Germany in 1932 and came to Israel in 1948. After his discharge from the Israel Defense Forces, he received his doctorate in education from Hebrew University. He has been the Science Teaching Superintendent and Jerusalem District superintendent and has received many awards, including the Weizmann Institute's Amos de Shalit Prize in 1977. He has ten grandchildren.