at Princeton University in 1960 with a senior thesis titled "Futility, Freedom and Freud: A Critical Triptych on the Philosophy of Jean-Paul Sartre".
He has published widely in aesthetics, and complements his academic knowledge with expert proficiency in the manufacture of fine art books.
In the area of German philosophy, he has written the influential Introduction to Hegel's Metaphysics, has authored more than 50 scholarly articles, and has given nearly 130 talks at various national and international venues.
He has frequently been the lead professor at UW-Madison study abroad programs: in London (twice), Florence (five times) and Budapest (twice).
Soll's interpretation states that the literal possibility of the eternal recurrence is not as important as taking on the idea for what its consequences imply.
Soll and his wife, Marta Gomez, have produced original artists' books collaboratively at their Tiramisu Press in Madison, Wisconsin.