Niles Eldredge,¹ John N. Thompson,² Paul M. Brakefield,³ Sergey Gavrilets,⁴ David Jablonski,⁵ Jeremy B. C. Jackson,⁶ Richard E. Lenski,⁷ Bruce S. Lieberman,⁸ Mark A. McPeek,⁹ William Miller III<sup>10

1</sup>Niles Eldredge. Division of Paleontology, American Museum of Natural History, Central Park West at Seventy-ninth Street, New York, New York 10024. epunkeek@amnh.org
²John N. Thompson. Department of Ecology and Evolutionary Biology, A316 Earth and Marine Sciences Building, University of California, Santa Cruz, California 95060. thompson@biology.ucsc.edu
³Paul M. Brakefield. Institute of Biology, Leiden University, Post Office Box 9516, 2300 RA Leiden, The Netherlands. brakefield@rulsfb.leidenuniv.nl
⁴Sergey Gavrilets. Department of Ecology and Evolutionary Biology and Department of Mathematics, University of Tennessee, Knoxville, Tennessee 37996. gavrila@tiem.utk.edu
⁵David Jablonski. Department of Geophysical Sciences, 5734 South Ellis Avenue, University of Chicago, Chicago, Illinois 60637. djablons@midway.uchicago.edu
⁶Jeremy B. C. Jackson. Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California 92039. jbjackson@ucsd.edu
⁷Richard E. Lenski. Center for Microbial Ecology, Michigan State University, East Lansing, Michigan 48824. lenski@pilot.msu.edu
⁸Bruce S. Lieberman. Departments of Geology and Ecology and Evolutionary Biology, University of Kansas, 120 Lindley Hall, Lawrence, Kansas 66045. blieber@ku.edu
⁹Mark A. McPeek. Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755. mark.mcpeek@dartmouth.edu
¹⁰William Miller III. Department of Geology, Humboldt State University, 1 Harpst Street, Arcata, California 95521. wm1@axe.humboldt.edu