Home node Congratulations! Dr. Kwok has been selected to receive one of the President's Awards (TPAs) in January 2020. Congratulations! Dr. Kwok has been selected to receive one of the President's Awards (TPAs) in January 2020. 13 Jan 2020 http://www.pd4n48r.xyz/chem/update/TPAs%202019_Kwok%20CK.pdf