Aron Nimzowitsch (Latvian: Ārons Ņimcovičs, Russian: Аро́н Иса́евич Нимцо́вич, Aron Isayevich Nimtsovich; born Aron Niemzowitsch; 7 November 1886 – 16 March 1935) was a Russian-born, Danish leading chess master and a very influential chess writer. He was the foremost figure amongst the hypermoderns.
Source: Wikipedia