L. E. Katterfeld was born in 1881 in Strasbourg, Alsace-Lorraine, and later moved to the United States, where he became involved in socialist politics. He attended Washburn College while working part-time and was a prominent figure within the Socialist Party of America, rising to leadership roles. Katterfeld played a key role in the formation of the Communist Labor Party and later the Communist Party of America, serving in various capacities including as a Comintern representative. His career also included managing a publishing agency and editing a magazine, though he was eventually expelled from the Communist Party. Katterfeld's professional journey reflects a commitment to socialist and communist ideologies, alongside a focus on education and anti-militarism.

L. E. Katterfeld's political identity is marked by a unique blend of ideological rigidity and ideological agility. Initially a staunch Socialist, he later transitioned into Communism, demonstrating a willingness to adapt his ideological stance. His advocacy for cooperative movements in the economy, juxtaposed with his earlier militant anti-militarism, reveals a complex approach to policy-making. Katterfeld's commitment to academic freedom and non-religious education in his magazine *Evolution* further illustrates his nuanced ideological positioning. His legal battles and subsequent expulsion from the Communist Party for maintaining editorial control of *Evolution* highlight a tension between party loyalty and personal conviction.