Complex sentence: He was involved in an infamous tuberculosis experiment conducted on 20 Jewish children at Neuengamme concentration camp who along with their 4 adult caretakers were murdered by being hanged in the basement of Bullenhuser Damm School in Hamburg.
Split into simpler sentences: He was involved in an infamous tuberculosis experiment conducted on 20 Jewish children at Neuengamme concentration camp. The children, along with their four adult caretakers, were murdered by being hanged in the basement of Bullenhuser Damm School in Hamburg.