He was born in Łódź, in a wealthy family, studied in Académie Julian in France and in Academy of Fine Arts in Kraków.
A Polish patriot, he volunteered during the Polish–Soviet War, and served first as an artistic director of the Polish Army Department of Propaganda, later as a cavalry officer.
At the beginning of July 1940 he was sent to the United States by the British Government, and the Government of the Republic of Poland in exile, with the task of influence the public opinion and popularize the struggle with the Nazism there.
He became immensely popular almost immediately, it was said Hitler himself put a bounty on his head because of his works.
During the war he produced hundreds of caricatures and editorial cartoons, more than two dozen exhibitions of Szyk’s caricatures were organized at fine art galleries and museums nationwide. His work appeared on the cover of Time, Colliers and other popular magazines.
Eleanor Roosevelt described him as a "one man army."
At the same time, in his own words:
sources: 1, 2, 3.In March 1943 my beloved seventy-year-old mother, Eugenia Szyk, was taken from the ghetto of Łódz to the Nazi furnaces of Majdanek. With her, voluntarily went her faithful servant the good Christian, Józefa, a Polish peasant.
Together, hand in hand, they were burned alive.