Medieval poets one should know:
The Archpoet
The Gawain-Poet
Geoffrey Chaucer
Dante
Venantius Fortunatus
Marie de France
William Langland
John Lydgate
Modern and contemporary poets one should know:
Fleur Adcock
John Beecher
Jorge Luis Borges
Tim Davis
Jesse Graves
Norman Dubie
Robert Kelly
Paul Muldoon
Naomi Shihab Nye
Brian Kim Stefans
Juliana Spahr
Jonathan Williams