He worked between 1100 and 1107 in St. Pantaleon 's church in Cologne .
Roger is first heard of in connection with Stavelot Abbey in the Meuse valley , a centre of Mosan art , and especially goldsmith 's work .
Roger worked between 1100 and 1107 in St. Pantaleon 's church in Cologne .
Roger is first heard of in connection with Stavelot Abbey in the Meuse valley , a centre of Mosan art , and especially goldsmith 's work .