"is at once polymathic and vibrant". Furtenbacher, 50, was a polymathic macroethicist. Among his polymathic scholarly specialties were history, literary bibliography, and astronomy. Mannoury was a prolific and polymathic writer who published books, articles, reviews, and pamphlets. A "polymathic figure", he wrote on grammar, science, logic, medicine and history. These polymathic texts discussed philosophy, politics, medicine, Daoist yoga, Yin and Yang, and astronomy. His son, John Farey, jr, was also polymathic in his interests.