-
Brian Williams - 19 Nov 2020
-
Ashish Mahabal - 20 Aug 2020
-
-- CANCELED -- Przemek Mróz - 18 Jun 2020
-
-- CANCELED -- Paul Geissler - 21 May 2020
-
-- CANCELED -- Thacher School - 30 Apr 2020
-
-- Canceled -- Maryam Modjaz - 19 Mar 2020
-
Ekta Patel - 12 Mar 2020
-
Armin Rest - 27 Feb 2020
-
Niall Gaffney - 30 Jan 2020
-
Ranjan Gupta - 20 Dec 2019
-
Željko Ivezić - 21 Nov 2019
-
Randy Villahermosa - 24 Oct 2019
-
Łukasz Wyrzykowski - 10 Oct 2019
-
Nic Scott - 19 Sep 2019
-
Richard Cartwright - 27 Jun 2019
-
Savannah Jacklin - 04 Jun 2019
-
Thacher School - 16 May 2019
-
Jessica Lu - 12 Apr 2019
-
Marina Brozovic - 21 Mar 2019
-
Jim Bell - 01 Mar 2019
-
Avi Shporer - 28 Feb 2019
-
Jay Pasachoff - 11 Feb 2019
-
Marshall Johnson - 07 Feb 2019
-
Tanmoy Laskar - 15 Jan 2019
-
David Spergel - 01 Nov 2018