Complex sentence: Finch took over the pottery, now known as Winchcombe Pottery, in 1939 and restarted it again in 1946 after the war and worked there until just before his death in 2012.
Split into simpler sentences: Finch took over the pottery, now known as Winchcombe Pottery, in 1939. He restarted the pottery in 1946, and worked there until just before his death in 2012.