December 12, 2019
Alexander C. Bippus, Ignacio H. Escapa, Peter Wilf, Alexandru M.F. Tomescu
December 4, 2019
Robert W. Gess, Alice M. Clement
December 20, 2019
Fenglu Han, Xing Xu, Corwin Sullivan, Leqing Huang, Yu Guo, Rui Wu
December 19, 2019
Beatriz L. Santaella, Z. Jack Tseng