Fax hard to operate. In 1966, Xerox released the Magnafax Telecopiers, a smaller, 46-pound facsimile machine. This unit was far easier to operate and could be connected to any standard telephone line. This machine was capable of transmitting a letter-sized document in about six minutes. The first sub-minute, digital fax machine was developed by Dacom, which built on digital data compression technology originally developed at Lockheed for satellite communication. By the late 1970s, many companies around the world (especially Japanese firms) had entered the fax market. Very shortly after this, a new wave of more compact, faster and efficient fax machines
Mark Fax College in 1946. From 1947 to 1972, Fax taught music theory at Howard University and served as director of the School of Music. Later, Fax became Acting Dean of Howard's College of Fine Arts. Concurrently, he served as music director at Washington's famed Asbury Methodist Church. Fax composed works for chorus, symphony, chamber ensemble, voice, piano and organ, in addition to two full-length operas, Christmas Miracle (1958) and 'Til Victory Is Won (1967). In the Washington limelight, he finally received public attention. "Washington Post" critic Paul Hume praised Fax's Sonata for Clarinet and Piano as "striking…difficult…a work of surprising contrapuntal