Callan Data Systems

By admin , 15 December 2015
David Callan

Callan Data Systems Inc., from 1980 to 1985 was an innovative but short-lived computer manufacturer, named after its founder, David Callan, and located in Westlake Village, California, USA.The are chiefly known for their pioneering Unistar range of UNIX workstations.

United States

Contact Us

  • Contact: Aaron C. Sylvan,
    Board Chair
  • Address: IT History Society
    534 Third Avenue
    Suite 1248
    Brooklyn, NY 11215
  • Email:      info@ithistory.org