Complex sentence: It was planted by Eben Gowrie Waterhouse, who was McCaughey associate professor of German and comparative literature and also a camellia expert with an interest in horticulture and landscaping that influenced the design of the gardens at the university.
Split into simpler sentences: It was planted by Eben Gowrie Waterhouse, who was McCaughey associate professor of German and comparative literature and also a camellia expert. His interest in horticulture and landscaping influenced the design of the gardens at the university.