igraph authors, in alphabetical order:
--------------------------------------

Gregory Benison		Minimum cut calculation
Keith Briggs		Parts from the Very Nauty Graph Library
      			Geometric random graphs
			Girth
      			Various patches and bug fixes
Jeroen Bruggeman	Burt's constraints
Carter T. Butts		Some layout algorithms from the SNA R package
       	  		bonpow function in the SNA R package
			Some R manual pages, from the SNA R package
J.T. Conklin		logbl function
Gabor Csardi		Most of igraph
Peter DalGaard		zeroin root finder
Laurent Deniau		Bits of the error handling system
Ulrich Drepper		logbl function
S.I. Feldman		f2c
David Firth		Display data frame in Tk, from relimp package
P. Foggia		VF2 graph isomorphism algorithm
John Fox		R: suppressing X11 warnings
Ross Ihaka		Some random number generators (not used in R)
Tommi Junttila		BLISS graph isomorphism library
Petteri Kaski		BLISS graph isomorphism library
Oleg Keselyov		zeroin root finder
Richard Lehoucq		ARPACK
Rene Locher		R arrow drawing function, from IDPmisc package
J.C. Nash		BFGS optimizer
Vincent Matossian	Graph laplacian
			igraph_neighborhood_graphs
			Line graphs
Peter McMahan		Cohesive blocking
Laurence Muller		Fixes for compilation on MS Visual Studio
Emmanuel Navarro	Various fixes and patches
Tamas Nepusz		Most of igraph
Kevin O'Neill		Maximal independent vertex sets
Elliot Paquette		psumtree data type
Pascal Pons		walktrap community detection
Joerg Reichardt		spinglass community detection
B.D. Ripley		BFGS optimizer
			Various bug fixes
Andreas Ruckstuhl	R arrow drawing function, from IDPmisc package
C. Sansone		VF2 graph isomorphism algorithm
Michael Schmuhl		The graphopt layout generator
Danny Sorensen		ARPACK
M. Vento		VF2 graph isomorphism algorithm
Fabien Viger		gengraph graph generator
Phuong Vu		ARPACK
P.J. Weinberger		f2c
B.N. Wylie 		DrL layout generator
Chao Yang		ARPACK

Institutional copyright owners:
-------------------------------

Free Software Foundation, Inc	Code generated by bison
Sandia Corporation	  	DrL layout generator
The R Development Core Team 	Some random number generators (not used in R)
      		       		R: as.dendrogram from stats package

Other contributors
------------------

Neal Becker		Patches to compile with gcc 4.4
Richard Bowman		R patches
Alex Chen		Patch to compile on Intel compilers
Daniel Cordeiro 	Patches
Tom Gregorovic		Bug fixes
John Lapeyre 		Patches
Christopher Lu		Various fixes and patches
André Panisson		R patches
Keith Ponting		R package bug fixes
Martin J Reed		Bug fixes
Elena Tea Russo		Bug fixes
KennyTM			Bug fixes
Jordi Torrents		Patches
Matthew Walker		Various patches
Kai Willadsen		Arrow size support in Python