Complex sentence: In 1866 Sturtevant graduated from Harvard Medical School, and in 1867 with his two brothers Sturtevant founded "Waushakum Farm" in South Framingham, Massachusetts.
Split into simpler sentences: In 1866 Sturtevant graduated from Harvard Medical School. In 1867, with his two brothers, Sturtevant founded "Waushakum Farm" in South Framingham, Massachusetts.