Paul Harrison, the World Pantheist Movement founder, was vice president of the Universal Pantheist Society (UPS) in the mid-1990s, but resigned after becoming skeptical of the possibility of promoting "generic" pantheism given the very wide variety of beliefs held by different types of pantheist (specifically, by those with naturalistic beliefs and those with dualist or idealist beliefs).
Universal Pantheist Society) sredinom 1990-ih, no podnio je ostavku nakon što je postao skeptičan o mogućnosti promicanja "generičkog" panteizma s obzirom na vrlo široko mnoštvo vjerovanja kojih se pridržavaju razne vrste panteista (specifično, onih s naturalističkim vjerovanjima i onih s dualističkim ili idealističkim vjerovanjima).