Other awards include the Gold Medals which are awarded to two people each year who "made a demonstrable and internationally recognised outstanding scholarly contribution in their fields," and US-Ireland Research Innovation Awards which are awarded annually in three categories HEIs, Multinationals and SMEs. The Royal Irish Academy also operates a number of prizes including the annual Hamilton Prize for Mathematics which it awards to the best mathematic students as nominated by academic institutions, the Kathleen Lonsdale Prize for Chemistry which is awarded to the most outstanding Irish Ph.D. thesis in the general area of the chemical sciences, and the biennial RIA Michel Deon Prize for Non-Fiction which honours the life of Michel Déon (1919-2016) by continuing his work in supporting and championing writing talent and sustains his legacy in celebrating the richness and diversity of cultural experience in Europe.