William Morris (1834-96) was a man of exceptional talents. As well as being the greatest artist-craftsman of his age, who ran a successful manufacturing and decorating businesses, he was one of the best known and most prolific Victorian poets, a passionate social reformer, an early environmentalist, an educationalist and would-be feminist.
For a brief overview of the two companies see Morris & Co on Wikipedia
The Last Pre-Raphaelite: Edward Burne-Jones and the Victorian Imagination by Fiona McCarthy, Faber & Faber, 2011.
William Morris: A Life for Our Time by Fiona MacCarthy (Faber & Faber, 1994)
Burne-Jones Special Issue, The Journal of Stained Glass, Vol. XXXV, 2011
Damozels & Deities Pre-Raphaelite Stained Glass 1870-1898 by William Waters and Alastair Carew-Cox (Seraphim Press Ltd, 2017)