Kassák Lajos was a Hungarian poet, painter, and writer, born on March 21, 1887, in Érsekújvár, which is now part of Slovakia. He is best known for his contributions to the avant-garde movement in Hungary and for founding the literary magazine Ma (Today), which played a significant role in promoting modernist literature and art. Throughout his career, Kassák was influenced by various artistic movements, including Dadaism and Constructivism. His works often reflected social and political themes, advocating for change and innovation in both art and society. Kassák passed away on December 22, 1967, leaving a lasting impact on Hungarian culture.