Eugene Goltz, 70, an investigative reporter who won a Pulitzer Prize at the Houston Post and shared another with reporters at the Detroit Free Press. Born in Marquette, Iowa, Goltz served in the Air Force, where he played French horn in a military band. He attended the University of Kansas and St. Louis University before beginning his reporting career. As a reporter for the Houston Post, he grew suspicious when officials in Pasadena, Texas, could not account for money from a $6-million bond issue in 1965. His curiosity ended up exposing a web of kickbacks. The reporting resulted in the paper's only Pulitzer. While at the Free Press later, he shared in the paper's 1968 Pulitzer Prize for its riot coverage. Over the years, he also worked at Newsday, the Kentucky Post, the Washington Times and the Dayton Daily News. He also was one of the 25 coauthors of the 1969 sex novel "Naked Came the Stranger," which was written crudely to mock the writing of the time but ended up a bestseller. On Tuesday of cancer at his home in Silver Spring, Md.