Complex sentence: Issac Bickerstaffe or Bickerstaff (1733?-1808?) was an Irish playwright who arrived in London in 1755 and produced many successful comedies and opera librettos.
Split into simpler sentences: Issac Bickerstaffe or Bickerstaff (1733?-1808?) was an Irish playwright. He arrived in London in 1755 and produced many successful comedies and opera librettos.