253) Three eminent painters of renaissance period, Leonardo Da Vinci, Michael Angelo and Raphael, belonged to the ........school of painting founded by Giotto

254) _____ was ′the Father of Modern Science′

255) _____, the Italian scientist studied the Solar System and perfected the ′Copernican Theory′ rebuked the theory of Aristotle that heavier bodies fall at quicker speed than lighter bodies.

256) _____ asserted that science depends upon observation of facts.

257) The English Physician, _____ discovered how blood circulates from the heart through arteries to different parts of the body and comes back to the heart through veins.