Name
- Gibert, B, of Den Haag, librarian and correspondent of Emmanuel Mendez da Costa, fl 17481
- Gifford, Andrew, DD, Assistant Librarian, British Museum, d 17841
- Gordon, George, correspondent of Emmanuel Mendez da Costa, fl 17621
- Goudy, -, clergyman and correspondent of Emmanuel Mendez da Costa, fl 17591
- Gram, Jens, Historiographer Royal of Denmark and correspondent of Emmanuel Mendez da Costa, fl 1755-17591
- Grandjean de Fouchy, Jean Paul, French scientist1
- Gravina, Giuseppe Maria, of Palermo, Jesuit and correspondent of Emmanuel Mendez da Costa, fl 1753-17631
- Green, John, of Spalding, correspondent of Emmanuel Mendez da Costa, fl 1746-17571
- Green, Thomas, geologist and clergyman, ?1737-17881
- Griffiths, Ralph, editor and publisher, c 1720-18031
- Gronovius, Johannes Fredericus, Botanist1
- Groummert, -, correspondent of Emmanuel Mendez da Costa, fl 17651
- Gruner, Gottlieb Sigmund, archivist, naturalist, notary and lawyer, 1717-17781
- Grynaeus, Simon, of Basel, clergyman and translator, 1725-17991
- Guettard, Jean-Étienne, naturalist and mineralogist, 1715-17861
- Gumpertz, Aaron S, physician and correspondent of Emmanuel Mendez da Costa, fl 1752-17671
- Rosencreutz, Johann Baptist, envoy, fl 1763-17921