Transmission of Neurosyphilis from Person to Person. Neurosyphilis is considered infectious but is not transmitted from person to person. Generally, a disease like this is caused by an infectious agent and not spread between people.
On May 29, 1953, Edmund Hillary and Tenzing Norgay completed the first confirmed ascent of Mount Everest, which stands 29,035 feet above sea level.
1 The oldest climber to reach the summit of Mount Everest from both sides (Nepal and Tibet) of the mountain is 60-year-old Julio Bird, a Puerto Rican cardiologist who reached the summit of Mount Everest from the north side on 17 May 2010. Tim Macartney-Snape became the first person to walk and climb from sea level to the top of Mount Everest (his second ascent of the peak). 2  Macartney-Snape began his approximately 1,200 km (750 mi) Sea to Summit expedition three months earlier, on foot, on Sagar Island in the Bay of Bengal.