Julio Rey Pastor, Spanish / Argentine mathematician (Logroño 14 August 1888 – Buenos Aires 21 February 1962)

Son in law of surgeon Avelino Gutierrez

ACHIEVEMENTS

Authored Elementos de analisis algebraico (1917), in which introduced his own discoveries and innovations

Enunciated theorem of Rey Pastor and Rey Pastor algorithm in Rendiconti di Palermo, 1931

Developed new summation methods

Un metodo de sumacion de series. Rend. Circ. Mat. Palermo 55, 1931

Demonstrated Jordan theorem for closed polyhedral varieties in topology of n-dimensional space

Introduced synthetic reasoning in complex geometry

First demonstrated homeomorphism as a geometric correspondence

Defined index of a doman in regard to a point and the index of a point

Une generalization elementaire de la convergence. Bol. Sem. Matem. 3(13), 1933

Studied Rey Pastor D₀ spaces

Espacios D₀. Rev. Univ. Tucumán Serie A1: 105-24, 1940

Eponym of Rey Pastor associated points

Created a new science named preology (1950s)

HONOURS 

Rey Pastor lunar crater (not accepted)

Invited Lecturer, International Congress of Mathematicians (1920 & 1928)