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). —

Working as "Allan J. Ontko, Organbuilder" in Northern New Jersey 1971-1980; active in Wallington, New Jersey, 1977, representative of Wicks firm of Highland, Illinois; with Hartman & Beaty of Englewood, New Jersey, 1970s; partner with wife, Edna Young, in Ontko & Young Co. of Charleston, South Carolina, 1982; supplier of CADD
programs for organbuilding; active 1996.

Sources:

• American Institute of Organbuilders (AIO): 1982 and 1989 membership directories.


• David C. Beaty.


• Organ Handbook 1977 (Richmond, Va.: Organ Historical Society).


• Elizabeth Towne Schmitt.

<!-- From LinkedIn page Olivia Margaret Ontko accessed Oct 7 2015 -->
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Organ Architect and Tone Finisher, Composer and arranger, OntkoMusic, 2001-Present [2015]; CEO and Tonal Director, Ontko & Young, 1985-2000; Owner Ontko Pipe Organs 1971-1985; Westminster Choir College, BMus, Composition, Vocal Pedagogy, Organ Performance 1965 - 1969