Irwin Chanin
Irwin Salmon Chanin( 29 October 1891 – 24 February 1988) was an American architect and real estate developer, best known for designing several Art Deco towers and Broadway theaters.
R. J. Williams
RJ Williams( born July 19, 1978) is an American media and Internet entrepreneur.
He is the founder of the media company Young Hollywood.
T. J. Gottesdiener
T. J. Gottesdiener is an architect and managing partner of the New York office of Skidmore, Owings& Merrill( SOM).
A graduate of Cooper Union ’s Irwin S. Chanin School of Architecture, Gottesdiener joined SOM in 1980 and was made Partner in 1994.
He lives with his wife in New York City; they have one son.
Gottesdiener is a fellow of the American Institute of Architects.
Dugès
Several people share the surname Dugès:
Anthony Vidler
Anthony Vidler( born July 4, 1941 in Salisbury Plain, United Kingdom) is Professor at the Irwin S. Chanin School of Architecture at The Cooper Union.
He is an architectural historian and critic.
Lacordaire
Several people share the surname Lacordaire:
Anthony Vidler
Anthony Vidler( born July 4, 1941 in Salisbury Plain, United Kingdom) is Professor at the Irwin S. Chanin School of Architecture at The Cooper Union.
He is an architectural historian and critic.
George Augustus
Multiple people share the name George Augustus:
Michael Stocker
Michael Adam Gerber Stocker is an American philosopher and Irwin& Marjorie Guttag Professor of Ethics and Political Philosophy at Syracuse University.
He is known for his works on ethics.
Stocker is the author of the seminal paper The Schizophrenia of Modern Ethical Theories.
Percy Ferguson
Percy Douglas Ferguson was an Australian politician.
He was a Country Party member of the Western Australian Legislative Assembly from 1927 to 1939, representing Moore until 1930 and Irwin- Moore thereafter.
He served as Minister for Agriculture from 1930 to 1933 in the coalition government led by Sir James Mitchell.

Question: Did R. J. Williams and Irwin Chanin share the same nationality?
Answer: yes