Complex sentence: He also witnessed and wrote of his impressions of performances by William Charles Macready, David Garrick, and other famous stars of the 19th century London stage, and is considered to be the first practitioner of modern theatre criticism and the realistic approach to acting.
Split into simpler sentences: He also witnessed and wrote of his impressions of performances by William Charles Macready, David Garrick, and other famous stars of the 19th century London stage. He is considered to be the first practitioner of modern theatre criticism and the realistic approach to acting.