of Wisconsin–Madison, and the Indiana University offer Norwegian as a language within their Germanic language studies programs. Two Norwegian Lutheran churches in the United States continue to use Norwegian as a primary liturgical language, Mindekirken in Minneapolis and Minnekirken in Chicago. There are also several Norwegian Seaman's Churches in the U.S. that have services in Norwegian. They are located in Houston, Los Angeles, San Francisco, Miami, New Orleans, and New York. Literary writing in Norwegian in North America includes the works of Ole Edvart Rølvaag, whose best-known work Giants in the Earth ("I de dage", literally In Those Days) was published in both English and Norwegian versions. Rølvaag was a professor from 1906 to 1931 at St. Olaf College, where he was also head of the Norwegian studies department beginning in 1916. Communities by Norwegian speakers As of 2000, U.S. communities with high percentages of people who use Norwegian language were: Blair, Wisconsin 8.54% Westby, Wisconsin 7.67% Northwood, North Dakota 4.41% Fertile, Minnesota 4.26% Spring Grove, Minnesota 4.14% Mayville, North Dakota 3.56% Strum, Wisconsin 2.86% Crosby, North Dakota 2.81% Twin Valley, Minnesota 2.54% Velva, North Dakota 2.52% Counties by Norwegian speakers As of 2000, the ten U.S. counties with the highest percentage of Norwegian language speakers were: Divide County, North Dakota 2.3% Griggs County, North Dakota 2.0% Nelson County, North Dakota 2.0% Norman County, Minnesota 2.0% Traill County, North Dakota 2.0% Vernon County, Wisconsin 1.8% Steele County, North Dakota 1.6% Trempealeau County, Wisconsin 1.6% Lac qui Parle County, Minnesota 1.5% Pennington County, Minnesota 1.0% States by Norwegian speakers Demographics Immigrants by year or period Population by region Historical population by year Historical population by state, comparison by census Notable people In entertainment, Sigrid Gurie, "the siren of the fjords," starred in numerous motion pictures in the 1930s and 1940s. Other Hollywood actors and personalities with one Norwegian parent or grandparent include James Arness, Paris Hilton, James Cagney, Peter Graves, Tippi Hedren, Lance Henriksen, Celeste Holm, Kristanna Loken, Robert Mitchum, Mary-Kate and Ashley Olsen, Elizabeth Olsen, Piper Perabo, Chris Pratt, Priscilla Presley, Michelle Williams, Rainn Wilson and Renée Zellweger. Seminal protopunk musicians Iggy Pop of The Stooges and David Johansen of the New York Dolls and Don Dokken of the heavy metal band Dokken have Norwegian ancestry. Paul Waaktaar-Savoy of the synth pop band a-ha is Norwegian, having been born and raised in Oslo. He is a naturalized American citizen and