The specialty evolved from general and cardiac surgery as well as minimally invasive techniques pioneered by interventional radiology. The vascular surgeon is trained in the diagnosis and management of diseases affecting all parts of the vascular system except those of the heart and brain.
More than 1,800 miles in 10 days! From St. Joseph, Missouri, to Sacramento, California the Pony Express could deliver a letter faster than ever before. In operation for only 18 months between April 1860 and October 1861, the Pony Express nevertheless has become synonymous with the Old West.
Poster from the Pony Express, advertising fast mail delivery to San Francisco. In the mid-19th century, California-bound mail had to either be taken overland by a 25-day stagecoach or spend months inside a ship during a long sea voyage. The Pony Express, meanwhile, had an average delivery time of just 10 days.