Derek Edwards was born in 1958.
Derek Fisher has written: 'The petrology of the Mt. Edwards nickel sulphite deposit, Widgiemooltha, Western Australia'
Derek Ramsay was born on December 7, 1979.
Derek Lansiaux was born in 1930.
Derek Hole was born in 1933.
Derek Keys was born in 1931.
Derek Lamb was born in 1936.
Derek Lane was born in 1974.
Derek Burke was born in 1930.
Derek Goodrich was born in 1927.
Derek Levick was born in 1929.
Derek Graham was born in 1941.
Derek Curry was born in 1981.