Complex sentence: Dr. Wood received international attention for his research on ancient Jericho, which argued unsuccessfully for the historicity of the Biblical account of the capture of the city by the Israelites and brought into question the long-standing conclusions of Dr. Kathleen Kenyon.
Split into simpler sentences: Dr. Wood received international attention for his research on ancient Jericho, which argued for the historicity of the Biblical account of the capture of the city by the Israelites. His research at Jericho has brought into question the long-standing conclusions of Dr. Kathleen Kenyon.