John Crean, the rags-to-riches Orange County multimillionaire whose Fleetwood Enterprises was one of the nation's largest manufacturers of recreational vehicles, has died. He was 81. Crean, also known for his extraordinary philanthropy, died Thursday at his Santa Ana Heights home, Fleetwood Enterprises Inc. spokeswoman Kathy Munson confirmed Friday. Crean had been ill with heart disease. Crean and his wife Donna traveled nationwide asking RV owners what they liked and disliked about their RVs. The ideas were then incorporated into new models. He founded Fleetwood Enterprises in Riverside in 1950 and it was a $3 billion-a-year Fortune 500 company when he...