From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). -

Active in St. Joseph, Missouri, 1960s-1970s; service representative of M.P. Möller, Inc. of Hagerstown, Maryland.

Staff: Michael Quimby.

Source:

• Michael Quimby.
•  

From Organ Database Builders editor Charles Eberline, April 5, 2018. -

Colin A. Campbell was born in 1928 and died in Huntington, West Virginia, October 16, 2001. His obituary states, "He was the retired owner of Campbell Organ Service in St. Joseph.”

Sources:

• "Colin A. Campbell,” Find a Grave, accessed March 31, 2018, https://www.findagrave.com/memorial/119202835/colin-a.-campbell (with photograph of his gravestone in Memorial Park Cemetery in St. Joseph, Missouri).
• Obituary, Huntington (West Virginia) Herald-Dispatch, October 19, 2001, accessed March 31, 2018, http://news.herald-dispatch.com/obituaries/index.php?id=48077.