sentences:  On demobilisation he established his own bookselling and publishing company.Martell played a prominent role in the Liberal election campaigns of 1950 and 1951.One historian of the Liberal Party praised Martell's contribution to Liberal politics, his ceaseless flow of ideas, his great enthusiasm and his work with another official of the party, Philip Fothergill, in securing broadly based finance for the party, while at the same time damning him as a man with the makings of a dictator and possessing wild judgment.