Paradise Lost is an epic poem in blank verse by the 17th-century English poet John Milton.

The first version, published in 1667, consisted of ten books with over ten thousand lines of verse.

It is considered by critics to be Milton's major work, and it helped solidify his reputation as one of the greatest English poets of his time.
(from wikipedia.org)

John Milton (1608 - 1674) was an English poet, polemicist, man of letters, and civil servant for the Commonwealth of England under its Council of State and later under Oliver Cromwell.

He wrote at a time of religious flux and political upheaval, and is best known for his epic poem Paradise Lost (1667), written in blank verse.
(from wikipedia.org)