Columbia University is one of the five oldest universities in the United States and one of the universities that train the most Nobel Prize winners. There are also five American founding fathers, four American Presidents such as Obama and Roosevelt, 34 heads of state and government and 10 justices of the Supreme Court of the United States. Columbia University has world-class law schools, business schools, medical schools, journalism schools, international relations schools, engineering schools, etc. The Pulitzer Prize awarded by Columbia University School of journalism is the highest honor of the American press. Columbia Law School has educated three chief justices of the United States, including the first Chief Justice John Jay. In 1767, Columbia University awarded the first medical doctor's degree, which is also the first professional doctor's degree in American history. Columbia University is one of the important research institutions in the United States. It has invented brain computer interface, laser, Maser and nuclear magnetic resonance technology. The completion of Drosophila experiment has become the origin of modern genetics. Prove the theory of earth plate tectonics. During World War II, the Manhattan Project to build an atomic bomb was born in Columbia.