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Charles Lester Leonard
Charles Lester Leonard (1861–1913) was an American physician and X-ray pioneer. Leonard was the first radiology, radiologist at the Hospital of the University of Pennsylvania, founded the Philadelphia Roentgen Ray Society, and served as president of the American Roentgen Ray Society in 1904–1905. He was known as one of the foremost experts in urological X-ray diagnosis, and he was the first American physician to demonstrate kidney stone disease with X-rays. A native of Massachusetts, Leonard completed bachelor's degrees at the University of Pennsylvania and Harvard University, then returned to Penn for medical school. As a student, he was interested in photography, and after going to Europe to work in science laboratories, he developed an interest in Micrograph#Photomicrograph, photomicrography. Leonard captured microscopic images that furthered the understanding of the Biological life cycle, life cycles of microorganisms. Leonard was associated with University Hospital from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Easthampton, Massachusetts
Easthampton is a city in Hampshire County, Massachusetts, United States. The city is on the southeastern edge of the Pioneer Valley near the five colleges in the college towns of Northampton and Amherst. The population was 16,211 at the 2020 census. History Easthampton was first settled by European immigrants beginning in 1664 and was originally part of Northampton. In 1785, Easthampton was established as a "district" by Massachusetts (a former type of political entity with less independence than a town), and in 1809, it was incorporated as a town. Easthampton is the youngest municipality in Hampshire County by date of incorporation. (It was not, however, the last incorporated; two of the three disincorporated towns of the Quabbin Reservoir in Hampshire County, Enfield and Prescott, were incorporated afterwards.) The town grew primarily around the Manhan River, both through its phase as a strictly agricultural community and later, through the Industrial Revolution, when mi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
