Complex sentence: A clubhouse was constructed in 1949, and a 9-hole golf course in 1952 using the capital raised from the earlyt members, who included Archibald MacLeish, Dean Acheson and Paul Mellon, who later named his champion horse Mill Reef for the club.
Split into simpler sentences: A clubhouse was constructed in 1949, and a 9-hole golf course in 1952. Early Club members included Archibald MacLeish, Dean Acheson and Paul Mellon, who later named his champion horse Mill Reef for the club.