70. Letitia Quesenberry: February 1-28, 2020
71.Tianyi Sun:   Aug. 15-Sept. 15, 2020
72. Sally Stein August 17-September 30, 2020
73. Mark Farina: October 1 to November 3, 2020
74. Amy Friedberg: November 15-December 31, 2020