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.
Mail for the Pony Express left San Francisco at 4:00 pm, carried by horse and rider to the waterfront, and then on by steamboat to Sacramento where it was picked up by the Pony Express rider. At 2:45 a.m., William (Sam) Hamilton was the first Pony Express rider to begin the journey from Sacramento.fficially operating as the Leavenworth and Pike's Peak Express Company of 1859, which in 1860 became the Central Overland California and Pikes Peak Express Company, this firm was founded by William H. Russell, Alexander Majors, and William B. Waddell all of whom were notable in the freighting business.