Rober S. Zigler was the son of M. R. Zigler and was a graduate of Manchester College. He was a conscientious objector during World War II and did his alternative service working as administrator for the Brethren Service Committee. Bob was a "seagoing cowboy" for Heifer Project in 1946. In 1946 Bob began work with Church World Service and in 1951 rejoined Heifer Project as an administrator. During 1961 to 1985 he worked for the United States Agency for International Development in Saigon, Vietnam; Subic Bay, Philippines; Washington, D.C.; Ghana ; and Upper Volta. Bob retired in 1985 and served as a docent at the Smithsonian's African Art Museum. His involvement with the arts in Washington, D.C. was well known. Some of Bob's art collection was donated to Manchester College.
Codes describe the categories of contributions and a year for MC graduation is also given:
Church of the Brethren membership
Brethren Service Committee
International Volunteer Service
Heifer Project International
Agency for International Development or previous agencies
International Christian Youth Exchange
On Earth peace Assembly
Department of State U.S.A.
Church World Service
Christian Rural Overseas Program
Peace Corps Administration