American navigator who explored the northwest coast of North America and in 1792 discovered the Columbia River, which he named after his ship. Gray also circumnavigated the globe twice, becoming in 1790 the first American to lead a ship around the world. He was also influential in opening trade with China, to which he sailed from Oregon in 1789 and exchanged a load of furs for tea on his return voyage to Boston.
"Robert Gray." Science and Its Times: Understanding the Social Significance of Scientific Discovery. . Encyclopedia.com. (September 19, 2018). http://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/robert-gray
"Robert Gray." Science and Its Times: Understanding the Social Significance of Scientific Discovery. . Retrieved September 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/robert-gray