Philosophy of Science owes a considerable debt of gratitude to its referees—the Associate Editors, the members of the Editorial Board, and the many other individuals who help to review submissions. In acknowledgement of their essential service, we list here the names of those individuals who have refereed papers during the year 2006.

Max Albert

Colin Allen

Ron Amundson

Robin Andreasen

Rachel Ankeny

Aldo Antonelli

Andre Ariew

Horacio Arlo-Costa

Brad Armendt

David Atkinson

Jody Azzouni

Mark Balaguer

Eric Barnes

Robert Batterman

William Bechtel

Mark Bedau

Gordon Belot

John Bickle

James Bogen

Michael Bradie

Jaap van Brakel

James Brown

Craig Callender

Fabrizio Cariani

Anthony Chemero

In-Rae Cho

David Christensen

Julian Cole

Carl Craver

David Danks

Lindley Darden

Paul Davies

Michael Dickson

Franz Dietrich

Mary Domski

Jerry Doppelt

Heather Douglas

Phil Dowe

Barney Dunn

John Dupre

Detlef Durr

Marc Ereshefsky

Edward Erwin

Stephen Fenner

Brandon Fitelson

Doreen Fraser

Steven French

Mathias Frisch

Shaun Gallagher

Marcus Giaquinto

Ronald Giere

Bruce Glymour

Natalie Gold

Sheldon Goldstein

James Griesemer

Patrick Grim

Francesco Guala

Amit Hagar

Alan Hajek

Hans Halvorson

Wade Hands

Gary Hardegree

William Harper

Stephan Hartmann

Gary Hatfield

Chris Haufe

Daniel Hausman

Jim Hawthorne

Eric Hiddleston

Paul Horwich

Paul Hoyningen-Huene

Franz Huber

Nicholas Huggett

RIG Hughes

David Hull

Philippe Huneman

Richard Johns

Jonathan Kaplan

Ruth Kastner

Steven Kellert

Kevin Kelly

Sungsu Kim

Robert Klee

Tarja Knuuttila

Noretta Koertge

Peter Kosso

Decio Krause

Joseph LaPorte

Brendan Larvor

Stephen Leeds

Elisabeth Lloyd

Holger Lyre

Penelope Maddy

Mohan Matthen

Randolph Mayes

Alfred Mele

Peter Menzies

Gregory Mikkelson

Roberta Millstein

Peter Milne

Phil Mirowski

Bradley Monton

Stephen Morris

Clayton Morrison

Margaret Morrison

David Morton

F.A. Muller

Jennifer Mundale

Alan Musgrave

Wayne Myrvold

Eddy Nahmias

Paul Needham

Bernard Nickel

Thomas Nickles

John Norton

Mary Jo Nye

Samir Okasha

Erik Olsson

David Papineau

Christian Perring

Thomas Polger

Demetris Portides

Wlodek Rabinowicz

Peter Ramberg

Dean Rickles

John Roberts

Jan-Willem Romeijn

Alexander Rosenberg

Paul Roth

Sherri Roush

Laura Ruetsche

Michael Ruse

Thomas Ryckman

Juha Saatsi

Howard Sankey

Simon Saunders

Steven Savitt

Gerhard Schurz

Esther-Mirjam Sent

Tony Short

Kristin Shrader-Frechette

Susanna Siegel

Robert Skipper

Lawrence Sklar

Matthew Slater

Miriam Solomon

Wolfgang Spohn

Kyle Stanford

Kim Sterelny

Alfred Tauber

Paul Teller

Paul Thagard

Josefa Toribio

Thomas Uebel

Susan Vineberg

Jerome Wakefield

Denis Walsh

Barry Ward

Eric Watkins

Scott Weinstein

Steven Weinstein

Paul Weirich

Michael Weisberg

Jon Williamson

Gene Witmer

Jim Woodward

Alison Wylie