Art Kaemmer was known for his work in pediatric medicine, his love of music, his philanthropic endeavors and his passion for fly fishing in remote rivers around the world. But Kaemmer, of St. Paul, may be best remembered as “Alice the Gorilla,” who for 45 years frightened — and delighted — children on Halloween night in the Merriam Park and Crocus Park neighborhood. As trick-or-treaters ...