Sir Isaac Newton , FRS (4 January 1643 - 31 March 1727 [ OS : 25 December 1642 - 20 March 1726]) [1] was an English physicist , mathematician , astronomer , natural philosopher , alchemist , and theologian and one of the most influential men [4] in human history . read more
The correct answer is option B. i.e.invention of the microscope. Galileo Galilei invented the microscope and showed its use. Sir Issac Newton invented some part of the calculus, Also invented Newton's Laws of motion and the universal gravitation theory. read more