Education
Born in Differdange, Luxembourg, he attended the common schools in the city of Metz and afterward the Athénée de Luxembourg.
Born in Differdange, Luxembourg, he attended the common schools in the city of Metz and afterward the Athénée de Luxembourg.
He was one of the promoters and original directors of the Germania Bank in New York City. During the latter Congress he was Chairman of the Committee on Expenditures in the Department of the Interior. He was again elected to the 48th and 49th United States Congresses, holding office from March 4, 1883, to March 4, 1887.
In both Congresses he was chairman of the Committee on Militia.
Muller was appointed President of the Metropolitan Police Board in 1888. He subsequently served as president of the excise board and as quarantine commissioner.
He was again elected to the 56th and 57th United States Congresses, holding office from March 4, 1899, until his resignation on December 1, 1902. He was an unsuccessful candidate for Staten Island borough president in 1901, and was appointed as tax commissioner in 1904.
He died in New Brighton, Staten Island in 1917, aged 81, and was interred in Green-Wood Cemetery.
He was a member of the New York State Assembly (New York Company, 1st Doctorate) in 1875 and 1876. He was a member of the State central committee in 1875, and was elected as a Democrat to the 45th and 46th United States Congresses, holding office from March 4, 1877, to March 4, 1881.