Various books contain information about Field Medaillists and their work, e.g.

• Albers, Donald J.; Alexanderson, G. L.; Reid, Constance:
  International Mathematical Congresses. An illustrated history 1893 - 1986
  Rev. ed. including ICM 1986. Springer-Verlag, New York, 1986
• Atiyah, Sir Michael (Editor); Iagolnitzer, Daniel (Editor)
  Fields Medallist's Lectures (World Scientific Series in 20th Century Mathematics, 9)
  World Scientific Publishing; 2nd Edition (Dez. 2003)
• Monastyrsky, Michael:
  Modern Mathematics in the Light of the Fields Medals
  A. K. Peters , 1998

Below is the official list of all Fields Medallists

2006

Andrei OKOUNKOV

Grigori PERELMAN^*

Terence TAO

Wendelin WERNER

^*Grigori PERELMAN declined to accept the Fields Medal.

2002

Laurent LAFFORGUE

Vladimir VOEVODSKY

 

1998

Richard E. BORCHERDS
W. Timothy GOWERS
Maxim KONTSEVICH
Curtis T. MCMULLEN
A silver plate was offered to Andrew J. WILES as a special tribute from IMU

 

1994

Jean BOURGAIN
Pierre-Louis LIONS
Jean-Christophe YOCCOZ
Efim ZELMANOV

 

1990

Vladimir DRINFELD
Vaughan F.R. JONES
Shigefumi MORI
Edward WITTEN

 

1986

Simon K. DONALDSON
Gerd FALTINGS
Michael H. FREEDMAN

 

1982

Alain CONNES
William P. THURSTON
Shing-Tung YAU

 

1978

Pierre René DELIGNE
Charles Louis FEFFERMAN
Gregori Alexandrovitch MARGULIS
Daniel G. QUILLEN

 

1974

Enrico BOMBIERI
David Bryant MUMFORD

 

1970

Alan BAKER
Heisuke HIRONAKA
Serge NOVIKOV
John Griggs THOMPSON

 

1966

Michael Francis ATIYAH
Paul Joseph COHEN
Alexander GROTHENDIECK
Stephen SMALE

 

1962

Lars HÖRMANDER
John Willard MILNOR

 

1958

Klaus Friedrich ROTH
René THOM

 

1954

Kunihiko KODAIRA
Jean-Pierre SERRE

 

1950

Laurent SCHWARTZ
Atle SELBERG

 

1936

Lars Valerian AHLFORS
Jesse DOUGLAS