Emanuel Anderson – Alpha Sigma – Mayor of Lincoln, Nebraska (1950-1953); Governor of Nebraska (1955-1959). [22] Christopher Ashby – Mu Alpha – US Ambassador to Uruguay , 1997 -2001. [101] [13] Reubin Askew – Iota Rho – Governor of Florida (1971-1979). [58] Ireneo Bacolod – Alpha Mu – Brigadier General National