The Senate Judiciary Committee lists these folks who'll testify for/against/about the nomination of Elena Kagan to replace Associate Justice John Paul Stevens:
American Bar Association Witnesses
Kim Askew, Chair, Standing Committee
William J. Kayatta, Jr., First Circuit Representative
Majority Witnesses
Professor Robert C. Clark, Harvard University Distinguished Service Professor, Austin Wakeman Scott Professor of Law, and former Dean, Harvard Law School
Justice Fernande "Nan" Duffly, on behalf of the National Association of Women Judges
Greg Garre, Partner, Latham & Watkins, former Solicitor General of the United States
Jennifer Gibbins, Executive Director, Prince William Soundkeeper
Professor Jack Goldsmith, Professor of Law, Harvard University
Marcia Greenberger, Founder and Co-President, National Women's Law Center
Jack Gross, plaintiff, Gross v. FBL Financial Services Inc.
Lilly Ledbetter, plaintiff, Ledbetter v. Goodyear Tire
Professor Ronald Sullivan, Edward R. Johnston Lecturer on Law, Director of the Criminal Justice Institute, Harvard Law School
Kurt White, President, Harvard Law Armed Forces Association
Minority Witnesses
Robert Alt, Senior Fellow and Deputy Director, Center for Legal and Judicial Studies, The Heritage Foundation
Capt. Pete Hegseth, Army National Guard
Commissioner Peter Kirsanow, Benesch Law Firm
David Kopel, Esq., Research Director, Independence Institute
Colonel Thomas N. Moe, United States Air Force (ret.)
David Norcross, Esq., Blank Rome
William J. Olson, Esq., William J. Olson, P.C.
Tony Perkins, President, Family Research Council
Stephen Presser, Raoul Berger Professor of Legal History, Northwestern University School of Law
Ronald Rotunda, The Doy & Dee Henley Chair and Distinguished Professor of Jurisprudence, Chapman University School of Law
Ed Whelan, President, Ethics and Public Policy Center
Dr. Charmaine Yoest, President & CEO, Americans United for Life
Capt. Flagg Youngblood, United States Army