Talk:Rudolf E. Kálmán

message: Most information on the internet seems to source this Wikipedia article as saying Kalman's visit to Ames occurred in 1967 which seems rather late in the Apollo program to me.  Integrated Navigation and Guidance Systems By Daniel J. Biezad p. 96 indicates the visit actually occurred in 1960.  Here's a link to the Google book: http://books.google.com/books?pg=PA96&lpg=PA96&dq=kalman+stanley+schmidt&sig=OQeTBBGyrD5gXzkKchaCrROHvIk&ct=result&id=44aF0_rp49AC&ots=KFgaXf-rAV&output=html  Almost any book on the subject will briefly recount this meeting and provide a date. Christopher.Madsen (talk) 16:39, 29 September 2008 (UTC)
thread_title:  Date 

message: To mention avionics, control systems, etc is too esoteric for the layman. To my knowledge there is no GPS receiver without a Kalman Filter, nor is the GPS system operable without one. GPS is a household word by now and should appear somewhere in this article, to give the man his due. Tofindya (talk) 19:05, 25 August 2011 (UTC)
thread_title:  Important application 

message: According to a Hungarian newspaper (http://hvg.hu/instant_tudomany/20160705_meghalt_a_kalman_szuro_magyar_szarmazasu_atyja), he passed away on 2nd of July, 2016. To be verified.  — Preceding unsigned comment added by 81.183.182.242 (talk) 18:39, 5 July 2016 (UTC)
thread_title:  Death 

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thread_title:  External links modified 

message: The article says he emigrated from Hungary in 1943. That sounds a bit odd given he was Jewish and the time was world war 2. It's true that the Germans haven't conquered Hungry before '44, but Hungary was still part of the axis powers. Is there any reference to this fact? 185.3.145.211 (talk) 14:36, 8 February 2023 (UTC)
replies: text: "That sounds a bit odd given he was Jewish". Was he? I know, I too have never heard of a non-Jewish Hungarian-American mathematician before (😂), but it appears Kálmán was an exception. According to this obituary, his brother was named Otto (after their father), which would be exceedingly rare among Jews. His family name and his relative's names don't seem particularly Jewish, and I can't find anything that specifically mentions any religious affiliation. —Moxfyre (ǝɹʎℲxoɯ | contrib) 04:39, 12 May 2024 (UTC)
thread_title:  Emigration?