Articles and BiographiesBiographies K-O Richard Ostrofsky By Richard Ostrofsky - January 22, 2017 Share FacebookTwitterPinterestWhatsAppLinkedinReddItEmailPrintTumblrTelegramMixVKDiggLINEViberNaver Richard Ostrofsky has studied Aikido for 46 years in Ottawa, Ontario, Canada and teaches at Ottawa Aikido Circle. He has written numerous articles about Aikido.