John Callaghan is Professor of Politics at the University of Wolverhampton. He is author of The Far Left in British Politics (1987) and Socialism in Britain since 1884 (1990).
Pradhan H Prasad (1928-2001) was professor of economics at A N Sinha Institute of Social Studies, Patna. His books include Growth with Full Employment (Allied, 1979), Lopsided Growth (Sameeksha Trust