On back: "The host party which accompanied Sperry-Rand's J. Presper Eckert included, from left to right: Mr. Walter Draper; Principal Ivor Callaway of Polytechnic High School; Mrs. Edward Matzger, president of the San Francisco Board of Education; Charles L. Lewis, president and executor of the Miranda-Lux Foundation; and Mrs. Lawrence Draper, Jr., Commissioner of the local Board of Education. The photograph was taken in the Polytechnic High School Electronics Laboratory, a special instruction facility which has been backed by the Miranda-Lux Foundation.".
Written on back: "POLYTECHNIC HIGH SCHOOL: LUX ELECTRONICS LABORATORY (F' 1961)".