Gordon Rupert Dickson was a Canadian-American science fiction writer. He was inducted into the Science Fiction and Fantasy Hall of Fame in 2000.

Eugene Luther Gore Vidal was an American writer and public intellectual known for his epigrammatic wit. His novels and essays interrogated the social and cultural sexual norms he perceived as driving American life. Beyond literature, Vidal was heavily involved in politics. He unsuccessfully sought office twice as a Democratic Party candidate, first in 1960 to the U.S. House of Representatives, and later in 1982 to the U.S. Senate.

Gorges Edmond Howard (1715–1786) was a miscellaneous Irish writer. He wrote on the law and created literary works.

Gottfried Achenwall was a German philosopher, historian, economist, jurist and statistician. He is counted among the inventors of statistics.

Gottfried Keller was a Swiss poet and writer of German literature. Best known for his novel Green Henry and his cycle of novellas called The People from Seldwyla, he became one of the most popular narrators of literary realism in the late 19th century.

Gotthold Ephraim Lessing was a German philosopher, dramatist, publicist and art critic, and a representative of the Enlightenment era. His plays and theoretical writings substantially influenced the development of German literature. He is widely considered by theatre historians to be the first dramaturg in his role at Abel Seyler's Hamburg National Theatre.

Gouverneur Morris was an American statesman, a Founding Father of the United States, and a signatory to the Articles of Confederation and the United States Constitution. He wrote the Preamble to the United States Constitution and has been called the "Penman of the Constitution". While most Americans still thought of themselves as citizens of their respective states, Morris advanced the idea of being a citizen of a single union of states. He was also one of the most outspoken opponents of slavery among those who were present at the Constitutional Congress. He represented New York in the United States Senate from 1800 to 1803.

Grace Aguilar was an English novelist, poet and writer on Jewish history and religion. Although she had been writing since childhood, much of her work was published posthumously. Among those are her best known works, the novels Home Influence and A Mother's Recompense.

Grace Denio Litchfield was an American poet and novelist. Her first pieces were three poems, which she sent out to three of the leading magazines. They all came back. They were sent out again and to the same set of magazines, but changed about. Again they were returned. The third trial was more successful and two of the poems were accepted. With what they brought the young writer started a little fund to place a memorial window to her mother in Grace Church, Brooklyn, the daughter feeling that the gift had a deeper meaning because "Only what one has earned is one's very own."

Grace Livingston Hill was an early 20th-century novelist and wrote both under her real name and the pseudonym Marcia Macdonald. She wrote over 100 novels and numerous short stories. Her characters were most often young Christian women or become Christians within the confines of the story.