Brewster Garroway Gallup, the son of George and Magdalene (Garroway) Gallup, was born on September 12, 1912, in Schenectady, New York. In 1930, he left Schenectady to attend Pennsylvania State College, where he graduated in 1934. By 1935, Brewster had moved to Oklahoma. 

Brewster enlisted in the United States Army. He volunteered for service in the Philippines, went there in January 1941 aboard the USS Grant, and was stationed on Corregidor until its surrender in May 1942, when he became a Japanese prisoner of war. When he was captured by the Japanese he held the rank of Captain. Brewster was a prisoner on the POW transport ship Arisan Maru when it sank on October 24, 1944, and he was lost at sea. The ship carried 1782 US prisoners of war; 1777 were lost at sea. He is remembered at the Manila American Cemetery and Memorial, Philippines. 

Sources: Find A Grave, Ancestry