Terry Gross

Father James Martin is associate editor of America the national Catholic magazine. Hes written a new memoir,Searching for God at Ground Zero, (Sheed & Ward) about the days following the September 11th attacks when he abandoned his editing duties to go and be with the rescue workers at the site of the ruined World Trade Center. Hes also the author of a memoir about his spiritual journey from the corporate world to the priesthood: In Good Company: The Fast Track from the Corporate World to Poverty, Chastity and Obedience

Former fire commissioner of New York City, Thomas Von Essen. He led the department through the Sept. 11 attacks and during rescue and early recovery efforts. During the attacks, the department lost 343 men, many of them Von Essen's friends and colleagues. Von Essen stepped down as fire commissioner on December 31, 2001. He's written a new memoir with Matt Murray, Strong of Heart: Life and Death in the Fire Department of New York.

Dennis McNally is the publicist for the Grateful Dead, and the band's official historian. He's also the author of the new book, A Long Strange Trip: The Inside History of the Grateful Dead. He is also author of the book, Desolate Angel: Jack Kerouac, the Beat Generation.