What day of the week was May 19, 2009?

The day of the week May 19th, 2009 fell on was a Tuesday.

Robert F. Furchgott the American biochemist, Nobel Prize laureate (b. 1916) died on this day in 2009. As did Nicholas Maw the English composer and academic (b. 1935) , Herbert York the American physicist and academic (b. 1921) .