Career
He was the only Police Commissioner to be retained by an incoming Mayor of New York City. He was born on February 3, 1892 in New York City to Eva Wallander of Sweden. He had a sister, Fanny I. Wallander.
He was appointed as New York City Police Commissioner by Fiorello H. LaGuardia in 1945 and was asked to remain in office by William O"Dwyer when O"Dwyer became mayor.
O"Dwyer had been trained by Wallander at the New York City Police Academy. He died on November 3, 1980 at the Putnam-Weaver Nursing Home in Greenwich, Connecticut.