The Dreyfus Foundation sponsored a symposium on Chemistry in Support of Human Health, the topic of the 2019 Dreyfus Prize, at the spring 2021 national meeting of the American Chemical Society. Videos of these talks are now available on YouTube, at the following links: Susan Richardson (U. of South Carolina), David Tirrell (Caltech), Carolyn Bertozzi (Stanford), Richard Friesner (Columbia), Chaitan Khosla (Stanford), Peter Schultz (Scripps Research Institute), Sangeeta Bhatia (MIT), and Robert Langer (MIT, recipient of the 2019 Dreyfus Prize).