Complex sentence: While others of wealth and ability often sought greater wealth, notability and positions of power, Boulton was to become notable for being unnotable, as he "... had no wish to attract the attention of his contemporaries".
Split into simpler sentences: While others of wealth and ability often sought greater wealth, notability and positions of power, Boulton was to eventually become notable for being unnotable. In his lifetime he had "... no wish to attract the attention of his contemporaries".