Julio Cortazar, oruko abiso Jules Florencio Cortazar, (August 26, 1914 - February 12, 1984) je olukowe ati akoewi ara Argentina (lopo ni ibere aye re) sugbon o gbajumo gege bi oluda awon itan soki.. 
Modern sociology of this type is often Ctedtedted to Paul Laarsnfeld, who pioneered large-ale Survey studies and developed Statistical Techniques for Anazing them.. 