Parent's Deaths

His mother Allene died in March 1922 from complications of an ectopic pregnancy. Howard Hughes Sr. died of a heart attack in 1924. Their deaths apparently inspired Hughes to include the establishment of a medical research laboratory in the will that he signed in 1925 at age 19. Howard Sr.'s will had not been updated since Allene's death, and Hughes inherited 75% of the family fortune. On his 19th birthday, Hughes was declared an emancipated minor, enabling him to take full control of his life.