Inventor. The father of Howard Hughes Jr., he invented the 64 tooth drill bit used to cut through hard rock while drilling for oil, it is still used today. The wealth he accumulated went to his son. (bio by: mike)  Family links:  Parents:  Felix Turner Hughes (1837 – 1926)  Jean Amelia Summerlin Hughes (1842 – 1928)  Spouse:  Allene Gano Hughes (1883 – 1922)*  Children:  Howard Robard Hughes (1905 – 1976)*  Siblings:  Greta Hughes Witherspoon (1866 – 1916)*  Howard Robard Hughes (1869 – 1924)  Rupert Raleigh Hughes (1872 – 1956)**  Felix Hughes (1874 – 1961)** *Calculated relationship**Half-sibling