Well...Stephen Sondheim and Pat Robertson were both born March 22, 1930. And Andrew Lloyd Webber was born March 22, 1948.

But in 1931 you have Igor Hajek, Leslie Thomas, and Burton Richter as well as whatsisname. Not to mention Joe Smith, Linda Van Der Holt, Tom Smith, Eric Rassmussen, Kim Pak Lee, Gunter Schmidt, Jean-Marie Bittelholt, and a whole bunch of other people.