Robert Browning is considered to be the perfecter of the dramatic monologue, which had its heyday in the Victorian Period.
Other Victorian poets to produce one or more dramatic monologues include Alfred Lord Tennyson, Elizabeth Barrett Browning, Matthew Arnold, Dante Gabriel Rossetti, Christina Rossetti, and Algernon Charles Swinburne.
A famous example of Dramatic monologue is Browning’s “My Last Duchess.”
Other of Browning’s brief dramatic monologues include “Soliloquy of the Spanish Cloister,” “The Laboratory” and “Porphyria’s Lover.”