D. Vinayachandran
D. Vinayachandran( 13 May 1946 – 11 February 2013) was an Indian Malayalam poet.
He is one of the proponents of modern style of prose in Malayalam poetry.
He was born in West Kallada, Kollam district and has worked as a Malayalam professor in various colleges for more than thirty years.
He had his early education in schools in and around kallada.
After completing his masters in Malayalam Literature from Government Sanskrit College, Pattambi, he entered the collegiate education service as a lecture and worked in various government colleges across Kerala.
He joined the faculty of Mahatma Gandhi University, Kottayam, in 1991 and retired from University's School of Letters in 2006.
Markus Weissenberger
Markus Weissenberger( born March 8, 1975) is an Austrian former footballer who played as a midfielder.
He is a younger brother of former Austria international player Thomas Weissenberger.
Othenio Abel
Othenio Lothar Franz Anton Louis Abel( Vienna, June 20, 1875 – Mondsee, Upper Austria, July 4, 1946) was an Austrian paleontologist and evolutionary biologist.
Together with Louis Dollo, he was the founder of" paleobiology" and studied the life and environment of fossilized organisms.
Dmitri Varfolomeyev (footballer, born 1978)
Dmitri Nikolayevich Varfolomeyev( born 15 March 1978 in Leningrad) is a former Russian football player.
He is a younger brother of Sergei Varfolomeyev.
Vadim Vlasov
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He is a younger brother of Dmitri Vlasov.
Louis Dollo
Louis Antoine Marie Joseph Dollo (Lille, 7 December 1857 – Brussels, 19 April 1931) was a Belgian palaeontologist, known for his work on dinosaurs.
He also posited that evolution is not reversible, known as Dollo's law.
Together with the Austrian Othenio Abel, Dollo established the principles of paleobiology.
Alan Chipp
Alan Chipp( born 9 January 1937) is a former Australian rules footballer who played for the Fitzroy Football Club in the Victorian Football League( VFL).
He is a younger brother of politician Don Chipp.
Roman Smishko
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He is a younger brother of Ukrainian defender Bohdan Smishko.
Miloš Zličić
Miloš Zličić( born 29 December 1999) is a Serbian football forward.
He is a younger brother of Lazar Zličić.
Anton Shunto
Anton Shunto( born 31 May 1988) is a Belarusian professional footballer.
As of 2019, he plays for Molodechno.
He is a younger brother of Denis Shunto, who is a founder and former president of Krumkachy Minsk.

Question: Who is younger, D. Vinayachandran or Othenio Abel?
Answer: D. Vinayachandran