CHM Archives News: The John C. McPherson collection is open for research. McPherson had a long and influential career at IBM from 1930 to 1971 where, among other things, he was involved in the development of the Selective Sequence Electronic Calculator (SSEC) and was an early and important advocate of the APL programming language. Thank you to the Council on Library and Information Resources’ Cataloging Hidden Special Collections and Archives grant for providing funds that made processing this collection possible. You can access the John McPherson collection finding aid here: http://archive.computerhistory.org/resources/access/text/finding-aids/102733... Best wishes, Dag -- Dag Spicer Senior Curator Computer History Museum Editorial Board, IEEE Annals of the History of Computing 1401 North Shoreline Boulevard Mountain View, CA 94043-1311 Tel: +1 650 810 1035 Fax: +1 650 810 1055