Fascination by the utter simplicity of Relativity's assumptions strongly informed Einstein's search for a Unified Field Theory.
Fascination with the utter simplicity of Relativity's assumptions strongly informed Einstein's search for a Unified Field Theory.
Fascination by the utter simplicity of Relativity's assumptions strongly informed Einstein's search for a Unified Field Theory.
Fascination with the utter simplicity of Relativity's assumptions strongly informed Einstein's search for a Unified Field Theory.
The noun "fascination" idiomatically take the preposition "with."