Complex sentence: Construction began in 1902, as part of the Phoebe Hearst campus development plan, and was dedicated to the memory of her husband George Hearst, who had been a successful miner.
Split into simpler sentences: Construction began in 1902 as part of the Phoebe Hearst campus development plan. The building was dedicated to the memory of her husband George Hearst, who had been a successful miner.