1 In 2013, Mount Sinai Hospital's expenses grew more quickly than income: expenses increased by 10%, while income only grew by 5%. 2  The organization's primary cost driver is personnel, which accounted for 49% of total expenses in 2013.
Electronic television was first successfully demonstrated in San Francisco on Sept. 7, 1927. The system was designed by Philo Taylor Farnsworth, a 21-year-old inventor who had lived in a house without electricity until he was 14.
Introduction. Television was invented in the late 1920s, but didn't become popular until the 1950s. In 1949, about one million sets were in use: by the end of the 1950s, Americans owned more than 50 million TVs.