History tells us that the famous inventor Thomas Alva Edison was the inventor of the light bulb, which is not true. Many searched for it and quite a few got it, but Edison was the one who turned that invention into a money-making machine.
That the universe is continually expanding follows from the equations of general relativity, something that Einstein initially refused to believe. This is the story of how we came to believe that it really was.
In 1932, the venereal disease section of the Public Health Service created a study group whose objective was to monitor a group of African-Americans with syphilis, which became the longest study in the history of medicine: 40 years.