CURRICULUM VITAE: William B. Sparks Senior Research Scientist, SETI Institute, 189 N Bernado Ave, Mountain View, CA 94043 Phone: 443-244-3332; email: [email protected]

Research Interests Sparks builds on a background in astrophysics and a career-long involvement with Hubble Space Telescope instrumentation to develop methods for seeking life elsewhere. • Astrobiology; Europa, extrasolar planets; life remote sensing instrumentation • Radio galaxies; jets and black holes; physics of galaxy cluster gas • Distances of galaxies; light echoes, polarimetry

Professional Preparation Ph.D. in Astronomy, “The Optical Properties of Radio Galaxies”, 1982, University of Wales M.Sc. in Astronomy, 1978, University of Sussex, UK M.A. in Mathematics, 1977, University of Cambridge, UK.

Appointments 2018 – present Principal Investigator, SETI Institute 2018 – present Emeritus astronomer, Space Telescope Science Institute 2006 – present Professor, visiting, University of Hertfordshire, UK 2002 – 2018 Astronomer, Space Telescope Science Institute 1996 – 2002 Associate Astronomer (with tenure), Space Telescope Science Institute 1998 – 1999 Visiting scholar, Johns Hopkins University 1993 – 1996 Associate Astronomer, Space Telescope Science Institute 1988 – 1993 Assistant Astronomer, Space Telescope Science Institute 1986 – 1988 ESA Research Fellow, Space Telescope Science Institute

STScI support positions Observatory support functions have included: Community Missions Office Deputy Head, Instruments Division Deputy Head, NICMOS Group Lead, Observatory Support Group Lead, Advanced Camera for Surveys Deputy Lead, Instrument scientist for JWST, HST imaging cameras.bProject Scientist, Early Release Observations first servicing mission 1993-1994 to demonstrate success of optical corrections for the Hubble Space Telescope.

Astronomical Observing • Principal Investigator: 31 Hubble Space Telescope (HST) General Observer science programs; also Spitzer; ROSAT; HST calibration, parallel, Early Release programs, NICMOS campaign • Co-investigator: 95 HST General Observer science programs; also Chandra, Spitzer, XMM, ISO • Active user of optical and infrared ground-based facilities, experience with ESO VLT, Gemini, Keck, CFHT, AAT, UKIRT, CTIO, WHT, ESO 3.6-m, ESO NTT.

Memberships & Study groups • Competitively selected NASA Science and Technology Definition Team for probe class exoplanet missions; starshade Exo-S. 2013-2015; 2017 • HST/Advanced Camera for Surveys (ACS) Investigation Definition Team • HST/Faint Object Camera (FOC) Investigation Definition Team • Competitively selected NASA Terrestrial Planet Finder (TPF) Science Working Group 2002-2004. • WFIRST Science Investigation Team coinvestigator; P.I. M. Turnbull, Harnessing the power of the WFIRST coronagraph: a coordinated plan for exoplanet and disk science. • Co-investigator NASA Studies: TPF Instrument Concepts “CoreECam”, “CorSpec”; Discovery mission proposal - Extrasolar Planet Imaging Coronagraph “EPIC”, P.I. Clampin (NASA Astrophysics Strategic Mission Concept Study 2009)

• American Astronomical Society, full member, Division for Planetary Sciences; International Astronomical Union Books C.H. Lucas Patty, Inge Loes ten Kate, William B. Sparks and Frans Snik, 2018 in Chiral Analysis: Advances in Spectroscopy, Chromatgraphy and Emerging Methods second edition, Elsevier, ed. P.L. Polavarapu, Remote sensing of homochirality: A proxy for the Detection of Extraterrestrial Life, ISBN 9780444640277 Sparks, W.B., Hough, J., Kolokolova, L, 2015, in Polarization of Stars and Planetary Systems, Cambridge University Press, eds. Levasseur-Regourd, Kolokolova and Hough; Chapter Polarimetry in Astrobiology, ISBN 978110704 Gledhill, T.M., Sparks, W.B., Ulanowski, Z., Hough, J.H., DasSarma, S., in Optics of Biological Particles, NATO Science Series vol 238; eds. Hoekstra, Maltsev, Videen; p193 (2007) Astrobiological Particles Astrophysics of life. Proceedings of the Space Telescope Science Institute Symposium, held in Baltimore, MD, USA, May 6-9, 2002, edited by Mario Livio, I. Neill Reid, William B. Sparks. Space Telescope Science Institute symposium series, Vol. 16. Cambridge, UK: Cambridge University Press, ISBN 0-521-82490-7, 2005 Refereed Publications Total 247 publications in professional refereed literature (263 with SPIE), including: Sparks, W.B., White, R.L., Lupu, R.E., Ford, H.C., 2018, ApJ, 854, 134, Direct detection and characterization of M-dwarf planets using light echoes astro-ph/1801.01144 Sparks, W. B., Schmidt, B. E.; McGrath, M. A.; and 4 additional coauthors 2017, ApJ, 839, L18, Active Cryovolcanism on Europa? Sparks, W. B., Hand, K. P.; McGrath, M. A.; and 3 additional coauthors 2016, ApJ, 829, 121, Probing for Evidence of Plumes on Europa with HST/STIS Sparks, W.B., Germer, T., MacKenty, J., Snik, F. 2012, Applied Optics, Vol. 51, Issue 22, 5495. Compact and robust method for full Stokes spectropolarimetry Sparks, W.B., Hough, J.H., Germer, T.A., et al., 2009, PNAS, 106 (19), 7816. Detection of Circular Polarization in Light Scattered from Photosynthetic Microbes Sparks, W.B., Ford, H.C., 2002, ApJ, 578, 543 Imaging Spectroscopy for Extrasolar Planet Detection Patents Integrated Miniature Polarimeter and Spectograph Using Static Optics, inventors: Telesco, C., Sparks, W.B., Zhao, B. Application No. PCT/US2016/028380, filed April 20, 2016 Spectrographic polarimeter and method of recording state of polarity, inventor Sparks, W.B., United States Patent, Aug 4, 2015, US 9097585 B2. Priority date: Sep 8, 2011. Outreach Europa plume research results disseminated in NASA media briefing, September 2016 (Hubble’s most popular story for 2016), NASA TV press event April 2017. Related public presentations: live television (Maryland Public TV, NASA TV), television interviews BBC, NHK Japan & WJZ13 (Baltimore), internet TV and podcasts, BBC World Service (live radio), BBC 5 Live (live radio).

Awards February 1999: Goddard Space Flight Center's National Resource Award as member of the Science Leadership group for the HST Second Servicing Mission; Fall 1998: STScI: Group Achievement Award for the NICMOS Group; Fall 1997: STScI: Group Achievement Award for the pre-launch NICMOS Group; Fall 1996: STScI: Group Achievement Award for the Data Quality Project; Fall 1994: STScI: Group Achievement Award as member of SMOV team; May 1994: Goddard Space Flight Center, NASA: Group Achievement Award to W.B. Sparks as a member of the HST First Servicing Mission Observatory Verification Team; March 1994: NASA: Group Achievement Award for the Wide Field/Planetary Camera-II Team to W.B. Sparks, Calibration Team Member; March 1994: NASA: Group Achievement Award for the Wide Field/Planetary Camera-II Science Team to W.B. Sparks; May 1993: Jet Propulsion Laboratory, Wide Field/Planetary Camera II Project award in recognition of significant contribution to science data processing and analysis; November 1991: Goddard Space Flight Center, NASA: Certificate of Recognition for contributions to the Hubble Space Telescope program; March 1991: Goddard Space Flight Center, NASA: Group Achievement Award to W.B. Sparks as a member of the Faint Object Camera Development Team.