Greta won a gold medal in the 100-meter freestyle and a silver medal in 4 x 100 meter freestyle relay in the 1948 Olympics.
She was fourth in 4 x 100 meter freestyle relay and eighth in the 400-meter freestyle at the 1952 Olympics.
He won the 1955 Butlin English Channel race in 11 hours 44 minutes and was the 1964, 1965, and 1968 World Professional Marathon Swimming Federation Champion.
He won the 37 km (23-mile) la Descente ou remontée du Saguenay in 1968 after returning from the Egyptian-Israel War of 1967 in 9 hours 10 minutes in 1968 and in 1969 when the race was called after 30.5 km (19 miles) before of worsening conditions.
His five English Channel crossings were in the 19 Daily Mail races, the 1954 Butlin race and in 1961 when he became the first person to do a double-crossing of the English Channel in 43 hours 10 minutes (with a four-minute onshore rest).
Abu-Heif, known as the Crocodile of the Nile, enjoyed a tremendous marathon swimming career from 1953 to 1972.
At the 2000 World Open Water Swimming Championships, he not only coached the team (including the Russian 5 km gold medalist and 25 km gold medalist), but also swam to a bronze medal in the 25 km, just over a minute slower than the swimmer he was coaching.
Jacques was the first person to swim across lac St-Jean in Quebec, Canada in 1955.
He also founded and manages the very influential Channel Swimmers online group.
A visionary with the tools and intellectual to execute across borders and cultures, Adams has effectively promoted the sport of channel swimming and its participants through the virtual world.
He won the following medals at the LEN European Championships: 1995 5 km gold, 1995 25 km gold, 1996 5 km gold, 1996 25 km gold, 1999 5 km silver, 1999 25 km gold.
He won the following medals on the FINA World Cup Series: 1999 30 km gold in Lake Ohrid (Macedonia), 2000 25 km gold in Bled (Slovenia), 2000 30 km bronze in Lake Ohrid (Macedonia).