But it took later antiquarians, including William Stukeley writing in 1740,
as well as William Borlase in 1754 and Richard Polwhele in 1797, to fully develop their thinking.
A contemporary writer, William Stukeley, recorded in his Memoirs of Sir Isaac Newton's
Life a conversation with Newton in Kensington on April 15, 1726, in which Newton recalled"when formerly, the notion of gravitation came into his mind.