Complex sentence: Miles Vaughan Williams (8 August 1918-31 August 2016) was a cardiac pharmacologist and Oxford lecturer best known for the Vaughan Williams classification of antidysrhythmic drugs.
Split into simpler sentences: Miles Vaughan Williams (8 August 1918--31 August 2016) was a British cardiac pharmacologist and academic. He is best known for the Vaughan Williams classification of antidysrhythmic drugs.