He stayed in touch with Margaret when he moved south to work for Brunel .
Whilst working in Newcastle he met his future wife , Margaret Tanner , the daughter of Henry Tanner , a Sunderland shipowner .
He stayed in touch with daughter when he moved south to work for Brunel .
Whilst working in Newcastle he met his future wife , Margaret Tanner , the daughter of Henry Tanner , a Sunderland shipowner .