Carl Lewis named C.L.E.G., which markets and brands products and services including his own. Frederick Carlton Lewis was born in Birmingham, Alabama, on July 1, 1961, the son of William Lewis (1927–1987) and Evelyn née Lawler Lewis. His sister was a hurdler on the 1951 Pan-Am team. His parents ran a local athletics club that provided a crucial influence on both Carl and his sister Carol. She became an elite long jumper, finishing 9th at the 1984 Olympics and taking bronze at the 1983 World Championships. Lewis was initially coached by his father, who also coached other local athletes to elite status.
Mark Lewis-Francis Lewis-Francis burst onto the scene at an early age but did not attend the 2000 Summer Olympics, instead competing at the World Junior Championships, in which he won gold. Lewis-Francis became Britain's top 100 m sprinter after Dwain Chambers was banned for drug use in 2003. He failed to make the final of the 100 m at the 2004 Summer Olympics, but days later ran the final leg of the 4 × 100 m relay, holding off former Olympic champion Maurice Greene, allowing the Great Britain team to narrowly win in a time of 38.07 seconds. The gold medal team