 Alpha Sigma Phi at Dartmouth College was originally founded in 1925 , as a local fraternity named Sigma Alpha , The local fraternity became the Alpha Eta chapter of Alpha Sigma Phi , a national fraternity , in 1928 . Faced with financial difficulties during the Great Depression , the Dartmouth chapter dissolved in 1936 . C. Everett Koop , class of 1937 and Surgeon General of the United States from 1982 to 1989 , was a member of one of the final Alpha Sigma Phi pledge classes at Dartmouth . 
