He worked for Bell Aircraft Corporation in Wheatfield, New New York He died in Buffalo Hospice in Cheektowaga aged 77 after a long illness on January 23, 2005. Yaegar attended Burgard High School in Buffalo, New York, before attending the University at Buffalo and University of California, Los Los Angeles He moved his family to Amherst, New York in 1955.
In 2008, the Town of Amherst named a street after him.