[1] He headed the committee which translated the abridgement of the UDC into Hebrew and was the compiler of the index to the system.
[2] Wellisch had a younger brother, Ellie, and was the son of a newspaper advertising father and secretary turned housewife mother.
[4] After graduating from high school and just a few weeks before receiving his matriculation certification, Wellisch was arrested in November 1938 and sent to Dachau concentration camp.
[1] There he briefly worked in the special library of the Swedish Cooperative Federation which gave him some training in librarianship.
[2] He also won the Hines Award for "continuous dedicated and exceptional service" to the ASI where he was president from 1984 to 1985.