original passage: Johann Spurzheim was Gall's most important collaborator. He worked as Gall's anatomist until 1813 when for unknown reasons they had a permanent falling out. Publishing under his own name Spurzheim successfully disseminated phrenology throughout the United Kingdom during his lecture tours through 1814 and 1815 and the United States in 1832 where he would eventually die.
original sentence: He worked as Gall's anatomist until 1813 when for unknown reasons they had a permanent falling out.
sentence2: Based on what we can gather about how public the spat between Spurzheim and Gaff was at the time, if a time traveler could theoretically return to 1813, if it likely that one or both of the scientists would be willing to talk about it with this kindly stranger that they had just met?
sentence1: Johann Spurzheim was Gall's most important collaborator. He worked as Gall's anatomist until 1813 when for unknown reasons they had a permanent falling out. Publishing under his own name Spurzheim successfully disseminated phrenology throughout the United Kingdom during his lecture tours through 1814 and 1815 and the United States in 1832 where he would eventually die.