Electronic Telegram No. 5266 Central Bureau for Astronomical Telegrams Mailing address: Hoffman Lab 209; Harvard University; 20 Oxford St.; Cambridge, MA 02138; U.S.A. e-mail: cbatiau@eps.harvard.edu (alternate cbat@iau.org) URL http://www.cbat.eps.harvard.edu/index.html Prepared using the Tamkin Foundation Computer Network OWEN J. GINGERICH (1930-2023) It is with great sadness that we report the death on May 28 of Owen J. Gingerich, who was Director of the Central Bureau during 1965-1967, beginning with the move of the Bureau to Cambridge from Copenhagen; he remained an Associate Director of the Bureau from 1968 to 1979 after Brian Marsden became the CBAT Director. NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars. (C) Copyright 2023 CBAT 2023 May 30 (CBET 5266) Daniel W. E. Green