• Amy Harder

    Energy & environment reporter, National Journal

    Amy Harder reports on energy and the environment for National Journal and moderates an expert blog on the topic as well. She also previously covered the selection of a new Supreme Court justice, writing for National Journal's The Ninth Justice blog. Harder has covered a variety of topics since coming to National Journal in May 2008, including foreign policy, national security and political advertising. Prior to this, Harder was a staff writer for the Reporters Committee for Freedom of the Press. Harder is originally from Washington State and received a B.A.


  • Richard Harris

    Science reporter, NPR, Washington

  • David Harris

    Proceedings of the National Academy of Sciences

    David Harris has recently moved from the PIO world to the Proceedings of the National Academy of Sciences, setting up a new front matter for the journal. Among his past roles he has been a science writer and editor, PIO, social media consultant, designer and consults on random stuff. He has worked internationally in radio, television, print, and online. He was the founding editor-in-chief of symmetry magazine, an international particle physics magazine, and deputy communications director at the SLAC National Accelerator Laboratory at Stanford University.




  • Laura Helmuth

    Science and Health editor, Slate


  • Philip Hilts

    Director, Knight Science Journalism Fellowship Program

  • Christine Hoekenga


    Christine Hoekenga is an independent writer, editor, and content strategist who specializes in science, nature, and STEM education. Her writing has appeared in High Country News, TPM's Idea Lab, Technology Review, and the Webby award-winning Smithsonian Ocean Portal. In addition to writing, Christine works with clients to envision and implement Web and social media projects. She graduated from the MIT Science Writing Program in 2007 and is now based in Tucson, Arizona.


  • Brian Clark Howard

    Writer and Editor, NationalGeographic.com


  • Andy Howell

    Staff scientist, Las Cumbres Observatory Global Telescope Network

    Andy Howell leads the supernova group at Las Cumbres. He’s also an adjunct professor of physics at UC Santa Barbara and was a host of the third season of the National Geographic Channel series Known Universe. He’s been a member of three teams that have found and followed thousands of explosive and transient events in the universe, providing our best measurement of the mysterious dark energy. Earlier he worked with the Supernova Cosmology Project, led by 2011 Nobelist Saul Perlmutter. Howell also does popular science writing and reviews movies under the name Copernicus at Ain't It Cool News.


  • George Johnson

    Author, Santa Fe, New Mexico

    George Johnson has written about science for the New York Times, National Geographic Magazine, Slate, Scientific American, Wired, The Atlantic, and other publications. His most recent book, “The Ten Most Beautiful Experiments,” is being translated into 15 languages. He is the author of nine books, including “Fire in the Mind: Science, Faith, and the Search for Order” and “Strange Beauty: Murray Gell-Mann and the Revolution in 20th-Century Physics.” Both were finalists for the Royal Society Science Book Prize. His latest book, “The Cancer Chronicles,” will be published in 2013.


  • Linda C. Kah

    Kenneth R. Walker associate professor of geology, University of Tennessee, Knoxville

    Linda Kah has been pursuing her love of science since kindergarten, when she announced her intention to become a geologist. She received concurrent BS and MS degrees from MIT in 1990, followed by a PhD from Harvard in 1997. In her research, Kah combines her knowledge of geology, isotope geochemistry and biology to decipher how ecosystems arise on planets, and how biological processes fundamentally interact with, and even change, geological systems.