Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
The grave truth behind modern forensics was discovered in 1920s New York.
Robert Moses fueled some of the most ambitious -- and controversial -- public works projects ever conceived.
The unusual life of David Vetter, who lived permanently inside a germ-free environment due to severe combined immunodeficiency.
A biography of the last outlaws of the American Wild West
The boy behind the myth, who in just a few short years transformed himself from a skinny orphan to the most feared man in the West and an enduring icon. Part of The Wild West collection.
It was the deadliest workplace accident in New York City’s history.
The most daring and innovative accomplishment at the turn of the 20th century.