2004-10-30/2019-04-29 - From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991; rev. ed., 1997, with updated information). - With Berghaus firm of Bellwood, Illinois, 1980s; independent voicer, Oak Park, Illinois, 1989; active as independent voicer 1991. [The 1997 revised edition of David Fox-s Guide updates "active as independent voicer 1991†to "active 1996†and adds "1996†to the AIO source. -Ed.] Sources: American Institute of Organbuilders (AIO), membership lists, 1989, 1996.
2018-12-18/2019-02-11 - From Organ Database Builders editor Charles Eberline, December 14, 2018. - Dean A. Christian was listed as a regular member of the American Institute of Organbuilders in 2018, with an address at Ericksen, Christian and Associates in Glen Ellyn, Illinois. Sources: "Dean A. Christian,†American Institute of Organbuilders, accessed July 13, 2018, https://www.pipeorgan.org/member/dean-a-christian/.
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