Roberto M. Levingston Roberto Marcelo Levingston Laborda ( January 19 , 1920 -- June 17 , 2015 ) was an Argentine Army general who was President of Argentina from June 18 , 1970 to March 22 , 1971 , during the Revolución Argentina period in Argentine history .
Roberto M. Levingston Roberto Marcelo Levingston Laborda ( January 19 , 1920 -- June 17 , 2015 ) was an Argentine politician . He was a general in the Argentine Army and president of Argentina from June 18 , 1970 to March 22 , 1971 , during the Revolución Argentina period in Argentine history .