Fr. /pee kannrdd"/ , n.
1. Auguste Fr. /oh gyuust"/ , 1884-1962, Swiss physicist, aeronaut, inventor, and deep-sea explorer: designer of bathyscaphes.
2. his son Jacques /zhahk/ , born 1922, Swiss oceanographer and bathyscaphe designer, born in Belgium.
3. Jean Félix /zhahonn fay leeks"/ , 1884-1963, U.S. chemist and aeronautical engineer, born in Switzerland (brother of Auguste).