Complex sentence: The British committee was finally appointed in February 1918; it was led by Walter Phillimore (and became known as the Phillimore Committee) but also included Eyre Crowe, William Tyrrell, and Cecil Hurst.
Split into simpler sentences: The British committee was finally appointed in February 1918. It was led by Walter Phillimore (and became known as the Phillimore Committee), but also included Eyre Crowe, William Tyrrell, and Cecil Hurst.