Vincent Eckel had four children while married to Virginia. Virginia, Judy, Peter (died in infancy) and another female. Last information is that three sisters lived next door to each other in 1980s in Arizona. He had four children in subsequent marriage to Natalie Miller of Los Angeles. Virginia Nash outlived Vincent, who died of lung cancer in July 1982, Los Angeles, CA. Vincent born May 26, 1909 to Edna Vannest (who outlived her son, Vincent and maintained close relationship with ex-daughter-in-law Virginia Nash) and William McLuen in Perry, Iowa. Name changed several times as his mother, Edna Vannest McLuen of Perry, Iowa, married multiple times. Vincent;s full legal name at time of death: Vincent Ward Eckel. Hope this helps. Vincent was a self-taught aerospace engineer and inventor, responsible for many patents and inventions in the space program. He invented the coaxial solenoid valve and some of the very first industry air flow calculators.