Complex sentence: By 1944, Crowley would match the pace in scholarship set by Waite in 1909 and at the same time, he would expand upon it by extending the field into Oriental philosophy, Middle Eastern practices and Western science including Relativity.
Split into simpler sentences: By 1944, Crowley would match the pace in scholarship set by Waite in 1909. At the same time he would expand upon it by extending the field into Oriental philosophy, Middle Eastern practices, and Western science including Relativity.