Sid Grossman was an American photographer known for his work in the mid-20th century. He was a key figure in the Photo League, a group of photographers dedicated to social change through their art. Grossman's images often captured the everyday lives of people in urban settings, highlighting social issues and the human experience. In addition to his photography, Grossman was also an influential teacher. He shared his knowledge and passion for photography with many students, helping to shape the next generation of photographers. His legacy continues to inspire those interested in documentary photography and social justice.