Who was the photojournalist brought attention to the horrible conditions in which immigrants lived in his work how the other half lives studies among the tenements of New York?

The photojournalist who brought attention to the terrible conditions in which immigrants lived in New York was Jacob Riis. His influential work, "How the Other Half Lives: Studies Among the Tenements of New York," published in 1890, showcased the squalid living conditions of the urban poor through powerful photographs and compelling narratives. Riis aimed to raise awareness and spur social reform, highlighting the struggles faced by immigrants and the need for improved housing and living standards.