A successful stock investor and an entrepreneur, Peter Lynch is a research consultant at a firm named Fidelity Investments. Peter is known to have given some original success formulae for profitable investments. John Rothchild works as a freelancer in writing about financial matters. He worked with Washington Monthly as an editor and with Time and Fortune as a columnist. Peter and John have co-authored three books on investments, One Up on Wall Street, Learn to Earn and Beating the Street.