Pulitzer Prize-winning author Marilynne Robinson shared with Samford students April 26 about using personal experiences in writing. Robinson’s novel “Gilead” won the 2005 Pulitzer Prize for fiction and the National Book Critics Circle Award as last year’s best novel.  Robinson also won the $200,000 Grawemeyer Award for an outstanding work in religion. “Gilead” is the fictional account of an elderly…