Geoffrey Chaucer's nickname was the "father of English literature" due to his significant contributions to English poetry during the Middle Ages.

That answer is true.

Karl Steel has written:

'\\' -- subject(s): History and criticism, Religious satire, English (Middle), English literature, Misogyny in literature, English poetry

The literature and science

P. S. Jolliffe has written:

'A check-list of Middle English prose writings of spiritual guidance' -- subject(s): Bibliography, Christian literature, English (Middle), Christianity, Civilization, Medieval, in literature, English prose literature, History of doctrines, Spiritual life