In 1958 he became the Director of Information for the Department of Interior under Secretaries Fred A. Seaton and Stewart Udall.
Point Udall (U.S. Virgin Islands), named after Stewart Udall and regarded as the easternmost point of the United States,
Sigurd also was a consultant to the Secretary of the Interior Stewart Udall on wilderness and national park issues.
Rod Stewart | James Stewart | Martha Stewart | Jon Stewart | David A. Stewart | Stewart Copeland | Dave Stewart | Charles Stewart Parnell | Stewart Lee | Stewart Granger | Patrick Stewart | Stewart Brand | Tony Stewart | Kristen Stewart | John Stewart | Jackie Stewart | Amii Stewart | Al Stewart | Rory Stewart | Potter Stewart | Mo Udall | Isabella Stewart Gardner | Stewart Edward White | Bhob Stewart | Alec Stewart | Stewart Rome | Stewart Parker | Stewart International Airport | French Stewart | Ed Stewart |