sentences:  He later complained about Eisler’s excessive “"chutzpah"” and insisted that he did not want to attract “such people” and provide “a stage for immodest dilettantes.” At the time, Warburg was suffering from severe depression and was subject to “terrible tantrums and phobias, obsessions and delusions which ultimately made him a danger to himself and his surroundings and lead to his confinement in a closed ward.” In 1924, having recovered from his breakdown, Warburg sought Eisler’s help with his own work and corresponded with him on the topic of the Zoroastrian god Zurvan.When Warburg died in 1929, Eisler asked to write his obituary for a scholarly journal.And upon his own death, Eisler’s widow donated most of his papers to the Warburg Institute’s archive.