- 
  
  He was the 36th president of the United States after being the 37th Vice President
 - 
  
  He was the 37th President of the United States, serving from 1969 to 1974, when he became the only president to resign the office
 - 
  
  He was a member of the Studies and Observations Group of the United States Army. He received the Medal of Honor for his actions in combat near Lộc Ninh
 - 
  
  He was a political and social activist who co-founded the Youth International Party
 -