---------- Forwarded message ---------- Date: Sat, 17 Sep 2011 21:59:02 +0400 From: Yuri Matiyasevich <yumat at pdmi.ras.ru> Subject: N.A.Shanin I regret to inform you the the founder of the Leningrad/St.Petersburg school of mathematical logic Professor  Nikolaj Aleksandrovich SHANIN passed away today on his 93 year birthday.