W. Craig Jelinek
Walter Craig Jelinek( born August 8, 1952) is an American businessman, president and chief executive officer of Costco since 2012, when he succeeded the company's founder, James Sinegal.
Jelinek was born in 1952 and grew up near Los Angeles.
He started his career working for FedMart.
Jelinek joined Costco in 1984, and has been CEO since 2012.
Walter Craig (American football)
Walter Craig was an American football coach.
He served as the head football coach at Massachusetts Agricultural College—now the University of Massachusetts Amherst— for one season in 1905, compiling a record of 3–7.
Boris de Schlözer
Boris Fyodorovich Schlözer( Schloezer)( Russian: Борис Фёдорови ч Шлёцер, sometimes a transliteration of" Boris Fëdorovič Šlëcer" or" Boris de Šlëcer," born in Vitebsk 8 December 1881 – died in Paris 7 October 1969), was a writer, musicologist and French translator of Russian origin.
Walter Craig (mathematician)
Walter L. Craig (1953 – January 18, 2019) was a Canadian mathematician and a Canada Research Chair in Mathematical Analysis and Applications at McMaster University.
Craig earned his Ph.D. from New York University in 1981; his dissertation, "A Bifurcation Theory for Periodic Dissipative Wave Equations", was supervised by Louis Nirenberg.
In 2007, he was made a Fellow of the Royal Society of Canada and he was awarded a Killiam Fellowship in 2009.
In 2013, he became one of the inaugural Fellows of the American Mathematical Society.
He served as Director of the Fields Institute from 2013 to 2015.
Craig was the son of the logician William Craig and the husband of mathematician Deirdre Haskell.
Boris Beljak
Boris Beljak( 26 August 1930 – 5 January 2013) was a Croatian rower.
He competed in the men's eight event at the 1952 Summer Olympics.
Walter F. Craig
Walter F. Craig( December 20, 1854 – February 8, 1933) was a violin soloist and orchestra director in New York City.
His career started in 1870 and continued until the 1930s.
He was known for his performance and interpretation of classical music, but he also was popular performing at dances.
Boris Grezov
Boris Grezov or Boris Grezhov( April 4, 1889 – March 3, 1968) was a Bulgarian actor and film director.
Grezov was one of the pioneers of early Bulgarian cinema, making important silent films such as" Maiden's Rock"( 1922) and" After the Fire Over Russia"( 1929).
Boriss Teterevs
Boriss Teterevs or Boris Teterev( November 5, 1953 – September 21, 2019) was a Latvian philanthropist and private patron.
Johannes Albrecht Bernhard Dorn
Johannes Albrecht Bernhard Dorn( 29 April 1805 in Scheierfeld, Saxe- Coburg, Germany – 19 May 1881 in St. Petersburg, Russia), or Boris Andreevich Dorn, was a German orientalist.
He specialized in the history and the languages of Iran, Russia and Afghanistan.
Boris Shtein
Boris Yefimovich Shtein( 1892 — 1961) was a Soviet diplomat.
He was a member of many Soviet delegations in the 1920s and 1930s and served as a diplomat at the United Nations in the 1940s.
In later life Shtein dedicated himself to academic work as a professor and writer on the history of Soviet foreign relations.
His name is also transliterated as Boris Stein or Boris Shteyn.

Question: Who died earlier, Walter Craig (Mathematician) or Boris Beljak?
Answer: Boris Beljak