Mezue ahịrịokwu na-esonụ: Ezinụlọ ya kwagara America mgbe ọ bụ nwata, site n'enyemaka nke Hebrew Immigrant Aid Society. Ọ gara ụlọ akwụkwọ na Connecticut, gụsịrị akwụkwọ na 1910. Kama ịmụ injinịa na Mahadum Yale, nwa okorobịa ahụ bụ́ Horwitz na otu enyi ya kpebiri imeghe ụlọ ahịa nri na Manhattan. Dịka onye so na National Guard nke United States, a kpọrọ Horwitz n'ọrụ n'okpuru John J. Pershing iji sonye na
Njem Pancho Villa. Mgbe ọ lọtara, ọ chọpụtara na ụlọ ahịa ahụ emebiela. Horwitz mechara jee ozi na Agha Worldwa nke Mbụ na France dịka onye isi ndị agha, yana onye agha ịnyịnya na Argonne.