Complex sentence: Contemporary reconstructive microsurgery was introduced by an American, Dr. Harry J. Buncke, who in 1964, who reported a rabbit ear replantation, famously using a garage as a lab/operating theatre and home-made instruments.
Split into simpler sentences: Contemporary reconstructive microsurgery was introduced by an American, Dr. Harry J. Buncke. In 1964, Buncke reported a rabbit ear replantation, famously using a garage as a lab/operating theatre and home-made instruments.