Nathaniel Westlake (1833–1921), a freelance artist, was engaged by the pair as a designer, having worked with the architect William Burges, and with Alfred Bell (1832–1895), of notable glaziers and designers Clayton and Bell.
Nathaniel Westlake (1833–1921), an independent artist, was commissioned to design by them, having previously worked with architect William Burges and glazier Alfred Bell (1832–1895) from Clayton and Bell.