. . . . . . . . . . . "William Laidler Leaf (1791-1874) was a wealthy silk merchant and philanthropist."@en . . . . . "William Leaf"@en . . . . . . . "1122354084"^^ . . "William Laidler Leaf (1791-1874) was a wealthy silk merchant and philanthropist."@en . . . . "1398"^^ . . . "56078520"^^ . . . . . . . .