This article is a report of the 10th International Otto Gross Congress, Moscow, October 2017, consisting of an introductory summary by Gottfried Heuer, listing the speakers and the subjects they presented, followed by the text of his opening address, outlining Gross's links with Russian philosophy. This is followed by Birgit Heuer's opening address, introducing her concept of sanatology and how this relates to Gross's work. The article finishes with Gottfried Heuer's concluding remarks and a poem he wrote for the occasion.