Complex sentence: Hardy's poetry, though prolific, was not as well received during his lifetime; it was rediscovered in the 1950s, when Hardy's poetry had a significant influence on the Movement poets of the 1950s and 1960s, including Philip Larkin.
Split into simpler sentences: Hardy's poetry, though prolific, was not as well received during his lifetime. It was rediscovered in the 1950s, when Hardy's poetry had a significant influence on the Movement poets of the 1950s and 1960s, including Philip Larkin.