The university has produced ten Nobel Prize winners, from the fields of science, medicine, economics and peace. The Nobel laureates include the physician Sir Ronald Ross, physicist Charles Barkla, physicist Martin Lewis Perl, the physiologist Sir Charles Sherrington, physicist Sir James Chadwick, chemist Sir Robert Robinson, chemist Har Gobind Khorana, physiologist Rodney Porter, economist Ronald Coase and physicist Joseph Rotblat. Sir Ronald Ross was also the first British Nobel laureate in 1902. The University is also associated with Professors Ronald Finn and Sir Cyril Clarke who jointly won the Lasker-DeBakey Clinical Medical Research Award in 1980 and Sir David Weatherall who won the Lasker-Koshland Special Achievement Award in Medical Science in 2010. These Lasker Awards are popularly known as America's Nobels.