 Today, the city is home to Northwestern University, Music Institute of Chicago, and other educational institutions, as well as headquarters of Alpha Phi International women's fraternity, Rotary International, the National Merit Scholarship Corporation, the National Lekotek Center, the Sigma Alpha Epsilon fraternity, the Sigma Chi fraternity and the Woman's Christian Temperance Union.Evanston is the birthplace of Tinkertoys, and is the one of the locations having originated the ice cream sundae.Evanston was the home of the Clayton Mark and Company, which for many years supplied the most jobs.