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