Circa 1912. Mount Gretna, Pennsylvania. "National Guard camp. Field music band from Trenton, N.J." National Photo Company glass negative. View full size.

My dad (6 years old) and his older sister in 1956 at "North Pole Colorado -- Home of Santa's Workshop" at the foot of Pike's Peak. Santa sure looks jolly. Full size.

Washington, D.C., circa 1915. "Birth of the American flag." View full size.

Washington, D.C., circa 1920. "W.M. Freeny Co., front." The W.M. Freeny men's clothing store on 14th Street. National Photo Co. glass negative. View full size.

July 11, 1925. "Auto races at Laurel, Maryland." The 1⅛-mile wooden oval at Laurel Speedway. National Photo Company glass negative. View full size.

August 1971 On vacation again, this time camping with my brother and sister-in-law at Hoopa, California. I'm not sure if my expression reflects my real mood, or if I'm just being a wise guy. Note how I set up this self-timer Kodachrome so that I was the one in focus. View full size.

March 1943. "Iden, New Mexico. One of the bunk cars for section workers of a train on the Atchison, Topeka and Santa Fe Railroad between Clovis and Vaughn." Medium-format nitrate negative by Jack Delano. View full size.