John R. Ehrman, 1935-2018

SLAC Computing Services, User Services Manager

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University of Illinois, Ph.D. in physics, 1963
SLAC computing, 1966 to 1983
SHARE Users Group: Member (1964-2016), Fortran project leader, and Board of Directors (1972-1974)
IBM, 1983-2016
Author profile in inSPIRE
John Ehrman Leaves SLAC. SLAC Beam Line, Vol. 14, No. 5, May 1983.

System/360 and assembler language programming. John R. Ehrman. 1971
WYLBUR Tutorial. John R. Ehrman. SLAC-SCIP-USER-NOTE-078
'logical' Arithmetic On Computers With Two's Complement Binary Arithmetic. John R. Ehrman. Commun.ACM 11 (1968) 517-520, Erratum: Commun.ACM 13 (1970) 697-698 SLAC-PUB-0302 DOI:10.1145/363397.363562
Divisors of Certain Mersenne Numbers. John R. Ehrman. Math.Comput. 21 (1967) 700-704 SLAC-REPRINT-1967-006 DOI:10.1090/S0025-5718-1967-0223320-1
For further publications, search inSPIRE and Google Scholar

John Ehrman papers held by the SLAC Archives, History & Records Office are currently being processed, and are not yet open for research. SLAC staff may access descriptions of his papers by clicking this link and entering his last name in the search box at the upper right on that page.
Archived photographs of John Ehrman may be accessed from the SLAC catalog in the SALLIE repository
The John R. Ehrman collection and related materials are also held by the Computer History Museum.

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