Isaac Newton was an English scientist born in 1642 who discovered gravity when an apple fell on his head. Francisco de Goya was a Spanish painter born in 1746 who produced works ranging from colorful scenes to darker subjects reflecting his disillusionment. His works commented on Spanish society and politics, and he documented the Spanish independence movement and Napoleonic invasion. In his later years, Goya painted a series of dark works reflecting his depression and criticism of the Spanish government.