Lomonosov Moscow State University, previously known as Lomonosov University or MSU, is the largest university in Russia. Founded in 1755, it is the oldest university in Russia and has the tallest educational building in the World. Its current rector is Viktor Sadovnichiy. In 1940, the university was renamed in honor of its founder, Mikhail Lomonosov. Currently the university employs more than 4,000 academic staff and 15,000 other staff members. There are about 5,000 researchers engaged in various research activities in its various institutes and departments. More than 40,000 undergraduates and 7,000 postgraduates are currently enrolled in the university and more than 5,000 specialists are participating in their refresher courses for career enhancement purposes. There are around 2,000 overseas students in the university.