1473-1543 1538-1612 1571-1630 184 188 270 2ndcent 521 535 781 active337-345 alchemy ancient angels aphraates approximately150-approximately215 approximately160-approximately230 astronomy biography boyang catalogs china christianity christoph churchhistory clavius clement commentariesnāgārjuna copernicus cosmology criticism dionysius earlychurch earlyworksto1800 etccandrakīrti ethics greek harmonyofthespheres hermas hierocles history historyofdoctrines holyspirit interpretation johannes justin juvenileliterature kepler mahayanabuddhism marcion maximus medieval methodology musictheory mādhyamika(buddhism) nāgārjuna nicolaus nāgārjuna optics philosophy primitiveandearlychurch ptolemy religiousaspects rhetoric science simeonbaryoḥai sophists(greekphilosophy) sources stars stoics tannaim taoism tertullian to500 wei