Complex sentence: During this same period, Fawcett also became the organiser of events for the Victoria and Albert Museum during Roy Strong's curatorship, which made it one of the artistic and social magnets of 1980s London.
Split into simpler sentences: During this same period, Fawcett also became the organiser of events for the Victoria and Albert Museum during the period when it was headed by Roy Strong. At this point such Victoria and Albert occasions became one of the artistic and social magnets of 1980s London.