David Collins (educational administrator)
Sir David John Collins( 13 November 1949 – 14 February 2019) was a British educationalist.
John Collins (Independent minister)
John Collins( c. 1632–1687) was an English Independent minister.
John Collins Warren Jr.
John Collins Warren( May 4, 1842 – November 3, 1927) was an American surgeon and president of the American Surgical Association.
Chris Warren (American football)
Christipher Collins Warren( born January 24, 1967) is a former professional football player, a running back in the National Football League for 11 seasons.
He played from 1990 to 2000, primarily for the Seattle Seahawks, but also for the Dallas Cowboys and the Philadelphia Eagles.
John Collins Warren
John Collins Warren( August 1, 1778 – May 4, 1856), was an American surgeon.
In 1846 he gave permission to William T.G. Morton to provide ether anesthesia while Warren performed a minor surgical procedure.
News of this first public demonstration of surgical anesthesia quickly circulated around the world.
He was a founder of the New England Journal of Medicine and was the third president of the American Medical Association.
He was the first Dean of Harvard Medical School and a founding member of the Massachusetts General Hospital.
John Collins (rower)
John Collins( born 24 January 1989) is a British rower.
He competed in the men's double sculls event at the 2016 Summer Olympics.
John Collins (poet)
John Collins( 1742 – 2 May 1808) was an English entertainer and poet from Birmingham.
John Warren (1874-1928)
John Warren (6 September 1874 – 17 July 1928) was a professor of anatomy at Harvard University, as well as its University Marshal.
Warren was the son and great-grandson of Harvard Medical School legends John Collins Warren Jr. and John Collins Warren (Sr.), and great-great-grandson of Harvard Medical School founder John Warren.
He graduated from Harvard Medical School in 1900.
He was an assistant, then a Demonstrator, in Harvard's Anatomy Department, then Assistant Professor (190815) and finally Associate Professor from 1915 on.
In 1911 he was appointed Harvard's University Marshal.
Warren was coauthor of "An Outline of Practical Anatomy" (1924, with Alexander S. Begg), and author of "Warren's Handbook of Anatomy" (published posthumously, 1930).
John A. Collins
John A. Collins( September 17, 1931 – May 7, 2003) was Chief of Chaplains of the United States Air Force.
Masaki Kashiwara
Kashiwara and Sato established the foundations of the theory of systems of linear partial differential equations with analytic coefficients, introducing a cohomological approach that follows the spirit of Grothendieck's theory of schemes.
Bernstein introduced a similar approach in the polynomial coefficients case.
Kashiwara's master thesis states the foundations of" D"- module theory.
His PhD thesis proves the rationality of the roots of b-functions( Bernstein – Sato polynomials), using" D"- module theory and resolution of singularities.
He is a member of the French Academy of Sciences and of the Japan Academy.

Question: Did John Collins Warren and Masaki Kashiwara have the same nationality?
Answer: no