Alvin Moscow, who wrote a best-selling account of the sinking of the ocean liner Andrea Doria in 1956, then collaborated on the memoirs of several public figures, including Richard M. Nixon soon after he lost the 1960 presidential election to John F. Kennedy, died on Feb. 6 in North Las Vegas. He was 98.

In all, 56 people died in the collision of the two ships. In Collision Course: The Andrea Doria and the Stockholm, Mr. Moscow described the dramatic last moments of the Italian ship.