As his blue eyes peer out from behind no-frame glasses, 71-year-old inventor Bob Rigby sits drinking his second coffee of the morning. Born and raised in Venice, Fla., Rigby is familiar with the area and smiles at each person walking by.
Rigby has experienced all that comes with growing up on the Gulf Coast of Florida, including red tide. After seeing some of its terrible affects, he decided to take matters into his own hands, and in 1992, he began research to find a cure.
Nine years later, Rigby found it.
