AUTHOR=Fontes Joseph D. TITLE=Obituary: Mark Thomas Fisher, Ph.D. June 21,1954–September 4, 2018 JOURNAL=Frontiers in Molecular Biosciences VOLUME=5 YEAR=2018 URL=https://www.frontiersin.org/journals/molecular-biosciences/articles/10.3389/fmolb.2018.00102 DOI=10.3389/fmolb.2018.00102 ISSN=2296-889X