Original: Lyndon Baines Johnson ( August 27 , 1908 -- January 22 , 1973 ) , often referred to as LBJ , served as the 36th President of the United States from 1963 to 1969 after his service as the Vice President of the United States from 1961 to 1963 .
Simplified: Lyndon B. Johnson ( August 27 , 1908 -- January 22 , 1973 ) was the 36th president of the United States .