Richard Rodman
I remember my uncle and family moved to Ontario, California. Arcadia is just west of Ontario.
So, this record may be his:
United States Social Security Death Index
Age 55
Given Name Richard
Surname Rodman
Birth Date 25 Nov 1926
State California
Last Place of Residence Arcadia, Los Angeles, California
Previous Residence Postal Code 91006
Event Date Oct 1981
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VM9K-WZZ : 20 May 2014), Richard Rodman, Oct 1981; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).