ARPA-E Seminar, Rolland Johnson, Sept. 26, 2019: ARPA-E Sept 26 2019 Seminar v6.pdf BNL Colloquium, Rolland Johnson, May 7, 2019: BNL Colloquium May 7 2019 wv1.pdf Presentation on Mu*STAR in Atlanta, Rolland Johnson, Apr. 2, 2019: v4 NEInsider Atlanta Presentation Apr 2 2019.pdf