Complex sentence: The original "Tatler" was founded in 1709 by Richard Steele, who used the nom de plume "Isaac Bickerstaff, Esquire", the first such consistently adopted journalistic "persona", Bonamy Dobrée, 1959.
Split into simpler sentences: The original "Tatler" was founded in 1709 by Richard Steele, who used the nom de plume "Isaac Bickerstaff, Esquire". This is the first known such consistently adopted journalistic "persona", Bonamy Dobrée, 1959.