Name
- Aboab, Mordehay Semah, of Amsterdam1
- Aiton, William Townsend, botanist, 1766-18491
- Albert d'Ailly, Louis Marie, 1st Duc de Péquigny1
- Alchorne, Stanesby, Master's Assayer at the Mint, 1727-18001
- Allamand, Jean Nicolas Sebastien, natural philosopher, c 1716-17871
- Allioni, Carlo, junior, Botanist1
- Amoros, François, Commis au Bureau de la guerre à Madrid1
- Anderson, Alexander, Naturalist1
- Anderson, John, Professor at Glasgow College1
- Andrews, George, of Exeter1
- Andreæ, John Gerhard Reinhard, Hanoverian Chemist1
- Annesley, George, 2nd Earl of Mount Norris1
- Arden, James, junior, of Bath, Geologist1
- Baillou, Giovanni, Chevalier; Director-General of the Imperial Gallery at Florence, fl 1748-17521
- Baillou, Luigi, son of Chev. Giovanni de Baillou of Florence, fl 17521
- Baker, Henry, naturalist and poet, 1698-17741
- Baker, John Wynn, agricultural economist and author, d 17751
- Banks, Joseph, 1st Baronet, botanist, naturalist and patron of science, 1743-18201
- Barton, Richard, clergyman, of Lurgan, fl 17591
- Bassi, Ferdinando, Professor of Botany at Bologna, fl 1752-17641