1954)* A. Adams - Arthur Adams (1820–1878)* Agassiz - لويس أغاسي (1807–1873)* A. Agassiz - Alexander Emanuel Agassiz (1835–1910)* Agenjo - Ramon Agenjo Cecilia (1908–1984)* Aguilera - Orangel Antonio Aguilera Socorro* D. R. de Aguilera - Dione Rodrigues de Aguilera* Ahl, E.Ahl - Ernst Ahl (1898–1943)* J.N.
– Alexander Emanuel Agassiz (1835–1910) mostly marine animals* Agenjo – Ramon Agenjo Cecilia (1908–1984)* Aguilera – Orangel Antonio Aguilera Socorro* D.R.de Aguilera – Dione Rodrigues de Aguilera* Ahl, E.Ahl – Ernst Ahl (1898–1943) herpetology, ichthyology* J.N.Ahl, Ahl – Jonas Nicolaus Ahl* Ahlquist – Jon Edward Ahlquist (fl.