Definitive proof is hard to find. There's many things that would overly suggest that he was a member. It was his "theories" which still benefit (((their))) agenda today, like pseudo scientist Albert Einstein, leads many to believe he was a freemason. Check out "Isaac Newton's Freemasonry" by Alain Bauer. >Newton was knighted by the British royals, suggesting he had close ties to the Vatican-influenced monarchs too. What’s most interesting to note in this regard is that Newton adopted a coat of arms featuring crossed bones immediately after being knighted. https://pic8.co/sh/9OOEw1.jpg https://pic8.co/sh/t2p0ra.jpg >Newton had a keen interest in the occult sciences and religion. >One of Newton’s closest friends was John Theophilus Desaguliers, who was a Grand Master and is commonly regarded as the “father of the Grand Lodge System“.