A story on Alumni Day in the March 21 issue misstated the length of Robert Mueller III ’66’s service in Vietnam. He was in the Marines for three years and in Vietnam for one year.

The March 21 cover story on the Ghost Army incorrectly reported the time span between D-Day and early September 1944. It was three months.

Thorstein Veblen was the uncle of Oswald Veblen, who taught mathematics at Princeton. The relationship of the two was incorrect in a story in the April 4 issue.