Muck with Adolf Hitler, February 1933. Courtesy of the Library of Congress, Prints and Photographs Division.

Adolf Hitler playing with his Alsatian dog Muck at Wachenfels, his mountain retreat in the Bavarian Alps near Berchtesgaden. Courtesy of the Library of Congress, Prints and Photographs Division.

Muck conducting before Hitler (seated in the front row). Courtesy of the Library of Congress, Prints and Photographs Division.

Karl Muck at Fort Oglethorpe, Georgia. Photo taken from The Autobiography of Richard Goldschmidt: In and Out of the Ivory Tower (Seattle: University of Washington Press, 1960).

Karl Muck, Federal Prisoner and his Wife. Photo taken shortly after Muck’s arrest at the Federal Building in Boston. Boston Herald, March 1918.

Fort Oglethorpe, Georgia, watchtower, showing searchlight, guard, and gun. “The guard is always on alert to meet any outbreak of the prisoners.” Courtesy National Archives Records Administration.

The Arrest of Dr. Karl Muck. Surrounded by federal officials, Muck was physically taken from Symphony Hall in March of 1918. Courtesy of the National Archives Records Administration.

Dining Hall, Fort Oglethorpe Internment Camp. Courtesy of the National Archives Records Administration.

Johann Heinrich von Bernstorff, German ambassador to the United States (1908-1917) and friend of Karl Muck. Photo courtesy of the Library of Congress.

Sexuality became commercialized during the war years. Many Bostonians frequented the Old Howard burlesque house in Scollay Square. Melissa D. Burrage Collection.

Symphony Hall, Boston. Melissa D. Burrage Collection.

Scollay Square, Boston. Melissa D. Burrage Collection.

Museum of Fine Arts, Boston. Melissa D. Burrage Collection.

Charcoal portrait of Karl Muck, 1916, drawn by evening candlelight by Leopold Seyffert, a native of Seal Harbor, Maine. Courtesy of Robert Seyffert, the artist’s grandson. robertseyffert.com

Washington St. Shopping Hour. As this image shows, men and women were in greater contact than ever before. Melissa D. Burrage Collection.

Christmas Card from the Louis Prang Company. Melissa D. Burrage Collection.

Karl and Anita Muck with their dog looking content and happy outside of their home. Courtesy of the Boston Symphony Archives.

“Richard Wagner Conducting on the Stage at Bayreuth,” Etudes Music Magazine, April 1925. Melissa D. Burrage Collection.

Arthur Fiedler at his Rockport, Massachusetts home, Musical Courier. Like Muck, Fiedler was harassed and followed by the federal government during World War I.

Richard Fletcher, editor of the Chronicle, served as a “mouthpiece of Mrs. Jay in her efforts to prevent Dr. Muck from conducting the BSO in New York.” The Karl Muck Scandal, 136, 160.

“Get Your Hun with the U.S. Marines” was a typical advertisement seen in the Boston Herald in 1918.

“Shoot Him! The Kaiser.” This advertisement appeared in the Boston Herald on March 9, 1918, playing a role in the demonization of Germans so prevalent at that time.

Ruth von Scholley (1893–1969) considered to be Karl Muck’s unofficial adopted daughter, painted Japanese Women around a Kettle, also called Birth of a Dragon, 1919 (Accession Number P33w16). It hangs in the Vatichino (Little Vatican), in the Isabella Stewart Gardner Museum in Boston. Courtesy of the Isabella Stewart Gardner Museum.

A German “Over Here, Over There” The Boston Herald 1918.