From Wikipedia, the free encyclopedia
American publishing company
Omnigraphics is a
publishing company located in
Detroit, Michigan, founded by
Frederick Gale Ruffner, Jr. and his son Peter in 1985. The company was acquired by Aggregate Intelligence in 2015.
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[2]
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[5]
[6] It was sold to
Infobase Publishing in 2022.
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References
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About Us – Retrieved October 3, 2014
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""Frederick Gale Ruffner, Jr." Grosse Pointe News. – Retrieved October 3, 2014". Archived from
the original on August 8, 2016. Retrieved October 3, 2014.
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"Gale Research founder Frederick Ruffner dies at 88" Crain's Detroit Business. – Retrieved October 3, 2014
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"Gale Founder Frederick Ruffner Dies at 88" Library Journal. – Retrieved October 3, 2014
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"Frederick Ruffner, founder of reference book powerhouse Gale Research, dies at 88" Detroit Free Press. – Retrieved October 3, 2014
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"Publisher was 'a pioneer of the information age'" Detroit News. – Retrieved October 3, 2014
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"Infobase Acquires Omnigraphics, Expanding Portfolio of Critical Health Reference Content for Educators and Librarians".
External links
