sentences:  Colmesnil left the firm some time around 1913, leaving Miller to conduct business as "J. R. Miller".Subsequently, Pflueger was assigned by Miller to work closely with the firm's major client, Metropolitan Life Insurance Company, who engaged in a succession of expansion projects at their San Francisco location at 600 Stockton Street.The first expansion, completed in 1914, gave the building a roof garden, dining room, kitchen and subbasement.