Gustaf Retzius
Prof Magnus Gustaf( or Gustav)
Retzius FRSFor HFRSE MSA( 17 October 1842 – 21 July 1919) was a Swedish physician and anatomist who dedicated a large part of his life to researching the histology of the sense organs and nervous system.
Gustav Hamilton
Baron Gustaf or Gustav Ludvigsson Hamilton( born in late 1650s, died 1691), known as the" governor of Enniskillen"( their chief of defence) in Northern Ireland, was colonel, and" de jurefriherre" of Deserf in peerage of Sweden.
W. Augustus Barratt
W. Augustus Barratt( 1873- 1947) was a Scottish- born, later American, songwriter and musician.
Gustav Ising
Gustaf Ising( or" Gustav Ising" in some publications),( 19 February 1883 in Finja – 5 February 1960 in Danderyd), was a Swedish accelerator physicist and geophysicist.
Catherine I of Russia
Catherine I( born, later known as Marta Samuilovna Skavronskaya; –) was the second wife of Peter the Great and Empress of Russia from 1725 until her death.
Alexander Fuks
Alexander Fuks( 30 May 1917 – 29 November 1978) was a German- born, later Israeli historian, archaeologist and papyrologist.
He worked with Victor Tcherikover and Menahem Stern on the standard edition of Jewish papyri.
He was a specialist in the study of Hellenistic Judaism.
Gustav Mader
Gustav Mader( 28 March 1899 – 18 April 1945) was an Austrian bobsledder.
He competed in the four- man event at the 1928 Winter Olympics.
He was killed in action during World War II.
Heinz Gattringer
Heinz Gattringer( born 2 May 1916) was an Austrian rower.
He competed in the men's coxless pair event at the 1936 Summer Olympics.
Gustave F. Touchard
Gustave" Gus" Fitzhugh Touchard, Jr."( or" Gustav( January 11, 1888 – September 5, 1918) was an American tennis player in the early part of the 20th century.
He was ranked as high as No. 4 in the United States during his career.
August Švagrovský
August Švagrovský, also Augustin or Gustav( 14 March 1847, Roudnice nad Labem- 27 June 1931, Písek) was a Czech art patron and collector.

Question: Who was born later, Heinz Gattringer or Gustav Mader?
Answer: Heinz Gattringer