He helped to found the United Service Organizations and the Boys Club of St.

He was awarded the Star of Morocco in 1920 after leading a delegation of Knights who presented a statue of Lafayette to the French people.

[1] He was awarded entry into the Order of St. Raymond of Peñafort in Spain and made a Secret Chamberlain of Cape and Sword in 1951.

By the end of the 1950s Supreme Knight Hart was actively encouraging councils to accept black candidates.

[2] It was during Hart's tenure in 1954 that the Knights petitioned to get "under God" inserted into the Pledge of Allegiance.