Ieuan Maddock, Welsh scientist and nuclear researcher (died 1988)

Sir Ieuan Maddock was a Welsh scientist and nuclear researcher. He played a role in the nuclear weapons tests in Australia in the 1950s and the 1973 Partial Test-Ban treaty.

March 29 is the 88th day of the year in the Gregorian calendar; 277 days remain until the end of the year.