Persistence of Vision(tm) Ray Tracer Version 3.7.0.

POV-Ray is based on DKBTrace 2.12 by David K. Buck & Aaron A. Collins
Copyright 1991-2013 Persistence of Vision Raytracer Pty. Ltd.

Primary POV-Ray 3.7 Architects/Developers: (Alphabetically)
  Chris Cason         Thorsten Froehlich  Christoph Lipka   

With Assistance From: (Alphabetically)
  Nicolas Calimet     Jerome Grimbert     James Holsenback    Christoph Hormann
  Nathan Kopp         Juha Nieminen     

Past Contributors: (Alphabetically)
  Steve Anger         Eric Barish         Dieter Bayer        David K. Buck     
  Nicolas Calimet     Chris Cason         Aaron A. Collins    Chris Dailey      
  Steve Demlow        Andreas Dilger      Alexander Enzmann   Dan Farmer        
  Thorsten Froehlich  Mark Gordon         James Holsenback    Christoph Hormann 
  Mike Hough          Chris Huff          Kari Kivisalo       Nathan Kopp       
  Lutz Kretzschmar    Christoph Lipka     Jochen Lippert      Pascal Massimino  
  Jim McElhiney       Douglas Muir        Juha Nieminen       Ron Parker        
  Bill Pulver         Eduard Schwan       Wlodzimierz Skiba   Robert Skinner    
  Yvo Smellenbergh    Zsolt Szalavari     Scott Taylor        Massimo Valentini 
  Timothy Wegner      Drew Wells          Chris Young       

Other contributors are listed in the documentation.