Daniel Blumenthal (25 January 1860 in Thann, Haut-Rhin – 25 March 1930 in Paris) was the mayor of Colmar from 1905 to 1914 and an elected member of the Reichstag between 1903 and 1907.
[citation needed] He wrote a publication entitled Alsace-Lorraine – a study of the relations of the two provinces to France and to Germany, and a presentation of the just claims of their people, which was published in 1917, by G.P.
Blumenthal presented this publication to the United States Congress as means to gain American support for the freeing of Alsace and Lorraine from German rule and its reannexation to France without a plebiscite of the inhabitants.
After their immigration Blumenthal's father converted from Judaism to Calvinism and travelled over land as a so-called Bibelkolporteur spreading bibles in service of the Protestant Reformed Church of Alsace and Lorraine.
His remains and those of his wife, daughter Lydia and son André rest in Metzeral cemetery in Alsace.