 He is best known for accurately predicting the dot-com bubble in the late 1990s.Biggs was born on November 26, 1932, in New York City, named for his maternal grandmother, whose last name was Barton.He grew up on Manhattan's Upper East Side and in Washington, D.C. His paternal grandfather, Hermann M. Biggs, was the top public-health official in New York and instituted measures that contributed to the eradication of tuberculosis.