Career
He was a Lieutenant Colonel in the United States Army, a lawyer with Mc Arthur"s staff in World World War II, and an Industrial Psychologist and Mechanical Engineer who co-authored the Revised Minessota paper form board test still in use today assessing mechanical aptitude. While in the Army he served as Enemy Property Custodian, War crimes prosecutor he worked for the United States. government to protect United States. holdings in the Philippines. He reviewed legal contracts and was responsible for preparation of decisions on contractual claims against the government and with other officers decided the validity and extent of these claims.
He was responsible for liaison between United States. Army Supply Arms and Services and the Commonwealth of Australia.
He was decorated with a Bronze Star medal with 1 oak leaf cluster. He did his civic work serving as a Distinguished Eagel Scout and Grand Master of the Mason for the Asia Pacific Region.
Quasha served as Scoutmaster of Troop 1, American School. He joined the Executive Board of the Boy Scouts of the Philippines Manila Council in 1949, and later was conferred the Silver Tamaraw.
He received the Silver Buffalo of the Boy Scouts of America in 1974.
In a speech to introduce President Clinton to the Filipino people he said "the Americans have no better friends than the Filipinos". Before his death he received an honorary doctorate from Lyceum and was recognized for his service to the Filipinos having facilitated the Fulbright Scholarships by Philippine President Fidel Ramos. On his death he donated his estate to Saint Luke"son
The Philippine Judicial System remembers him in Republic of the Philippines and/or Solicitor General v.
William H. Quasha, August 17, 1972, the Supreme Court of the Philippines ruled that Americans could not own land in the Philippines beyond July 3, 1974, in effect ruling that Quasha had to give up ownership of his residential lot at Forbes Park, Makati municipality (now Forbes Park, Makati City). The "Quasha law," which proved onerous for the American community in the Philippines, however, was later overturned by President Ferdinand Marcos citing the grandfather rights of Americans who owned property in the Philippines during the time of the commonwealth.
In 2000, the National Gallery of Australia acquired from the Quasha family the New Guinea portfolio of 27 prints by Australian photographer Max Dupain (1911–1992), acquired by William Quasha while Quasha was a captain in the United States Army in Australia. William Quasha"s son Alan Grant Quasha is a New York lawyer and financier who received his Juris Doctor and Master of Business Administration from Harvard in 1976.