Thomas Harriot 1560-1621
His will reveals a sizeable library; his extensive papers, left to Percy, survive in the British Library and at Petworth.
Roche, J. J. "Harriot, Thomas (c. 1560–1621), mathematician and natural philosopher." Oxford Dictionary of National Biography. J. Shirley (ed), Thomas Harriot: renaissance scientist, 1974. J. W. Shirley (ed), A source book for the study of Thomas Harriot, 1981.