Emil Ignacy Rauer (31 July 1870 – 13 December 1943) was an industrialist, creator and commander of a railway protection formation, social activist, and independence fighter.

[1] In July 1914, together with his partner P. Kozłowski, he acquired a mill machinery and millstone factory in the Praga district of Warsaw, which had previously belonged to Cezary Skoryna, who died in 1903.

[6] According to contemporary press articles, it essentially became a branch of the Poznań-based Joint-Stock Company of the Mill Machinery Factory "Młynotwórnia".

[1] In 1925, "Granat" acquired an industrial plant in Kielce and began producing ammunition components, fuses, and hand grenades for the Polish army and for export.

[1] In the meantime, at the first convention in 1906, he was elected to the Main Department (equivalent to the General Board) of Sokół in Congress Poland.

He was elected a member of the council of the Riflemen's Brotherhood in Warsaw in 1921, and also served as vice-president of the Union of Sports and Social Societies.

In 1916, he was part of the management of the Compulsory Supplies Section of the Warsaw Municipal Board and served as an inspector in the Morality Guard Division.

[11] Additionally, in January 1925, Rauer became the commander of the Order and Discipline Guard,[1][11] an ultra-right nationalist organization according to police evaluations at the time.

[11] In May 1927, Rauer was elected to the City Council on the Christian Democracy ticket and served on its Suburban and Electoral Committees.

[12] On 2 December 1924, the Union of Polish Associations of the Republic of Poland secretly placed a stone slab inscribed To the Unknown Soldier beneath the Prince Józef Poniatowski Monument in front of the Saxon Palace.

[12] This de facto memorial influenced the establishment of the permanent Tomb of the Unknown Soldier under the Saxon Palace colonnade in 1925.

[1] Rauer was among the founders of the Society of Friends of Praga, established in April 1915, and later served on its board, including as vice-president from 1916 and president in the 1920s.

[1] In July 1914, Emil Rauer co-organized the Civic Guard, serving from August 1915 as one of its deputy commanders and head of the supply department.

[1] In 1918, he co-founded the National Guard and became commander of its 5th District; in November of that year, he participated with his unit in disarming German forces.

[13] Later, Rauer co-founded the Union of Former Participants of the Railway Security Guard and held leadership positions, including serving as its president.

[1][15] The Polish Biographical Dictionary indicates that Rauer's fate at the beginning of World War II remains unclear.