A. J. AyerA Satyanarayana ShastriAbas (sophist)Abd-Allah ibn NumayrAbd-al-Baqi al-ZurqaniAbd al-Hamid al-KatibAbdel Rahman BadawiAbdul-Haqq DehlaviAbdulhakim ArvasiAbhinavaguptaAbu'l-FidaAbu-Abdullah AdelabuAbu Abd al-Rahman Ibn Aqil al-ZahiriAbu Bakr Ibn Sayyid al-NāsAbu Bakr al-SajistaniAbu Hilal al-AskariAbu Muslim al-KhawlaniAbu YusufAbu Zayd al-BalkhiAbul Hasan Ali Hasani NadwiAdam Karl August von EschenmayerAdam WatsonAdam of DryburghAdnan IbrahimAdolf Reinach