Heroic couplets were first created and named by john lydon, the first poet laureate, and led the English poetic style in17-18th century.
There are a lot of relevant data showing that Chaucer was the first writer who widely used heroic couplets, so the heroic couplets were created by Chaucer. This answer is not comprehensive and biased. Heroic couplets are not a simple concept of rhythm, but also a concept of style and format.
Extended data
Historical doubt
Before the Renaissance, it was the metrical era of English poetry. The British people pay great attention to writing poems in strict accordance with several formats, among which Chaucer's double-line style is the majority, which is why some critics think that more than 95% of English poems are heroic double-line style (this is actually a fallacy, double-line style is the matrix, and heroic double-line style is only a derivative of double-line style).
This view was once popular in the research circles outside the British literary world, and even written into some reference books, but it was never recognized by the orthodox British literary research circles.
After the Renaissance, the format of English poetry has changed greatly, and one of the most important features is the appearance of blank poetry. Poetry has no rhyme, which is a major change in English poetry.
The iambic pentameter poem without kotaro oshio rhyme enriches and expands the poet's writing vocabulary many times at once, and many words that were not used in poetry in the past have found their place. The vocabulary of English has expanded by thousands, and the changes of poetry are more complicated. In fact, blank verse plays a role in releasing the shackles for poetry.
From this point of view, most of Shakespeare's works, with blank poetry as the main dramatic writing technique, are at least incompatible with the protagonist's double-line style in literary expression and writing thought.
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