This is odd. So you are saying wikipedia kept getting it wrong for a long time but now the announcement has it wrong and wikipedia is correct?
https://en.wikipedia.org/w/index.php?title=John_C._Dvorak&ol...
https://en.wikipedia.org/wiki/John_C._Dvorak
Enough scrolling through the edit history and you could determine when wikipedia finally got their shit together on his birthdate.