I'll name some of the most famous:
Rober Campin (Master of Flemalle) 1375-1444
* Jan Van Eyck 1390-1441
* Roger Van der Weyden 1399/1400-1464
Petrus Christus 1410-1473
Dirck Bouts 1420-1475
* Hans Memling 1430-1494
Hugo van der Goes 1440-1482
* Hieronymus Bosch 1450-1516
Gerard David 1450-1523
Quentin Massys 1466-1530
Mabuse (Jan Gossaert) 1478-1532
* Pieter Bruegel 1525-1569
Pieter Breughel the Younger 1564-1638
Jan Breughel 1568-1625
* Peter Paul Rubens 1577-1640
Frans Snyders 1579-1657
Jacob Jordaens 1593-1678
* Anthony Van Dyck 1599-1641
Adriaen Brouver 1605/6-1638
David Teniers the Younger 1610-1690
* Represents the most famous of the famous. I hope that this has been a help to you.