Solís, Juan Díaz de (1470?–1516), a Spanish navigator and explorer. After many years of exploration in Latin America, Solís succeeded Amerigo Vespucci as chief pilot of Spain in 1512. He discovered the Río de la Plata during an expedition along the Atlantic coast of South America, 1515–16. While exploring the Río de la Plata, he was killed by Indians.
Cid, El , the popular name of Rodrigo (or Ruy) Diaz de Bivar (1040 - 1099), a Spanish national hero.
Cook, James (1728 - 1779), a British navigator. Captain Cook accurately charted vast regions of the South Pacific; provided a basis for England's claim to Australia and New Zealand; and developed a diet that prevented scurvy among seamen.