August Heinrich Bruinier

August Heinrich Bruinier (7 May 1897 – 24 April 1970) was a German violinist and violin teacher. He was born into a musical family of Dutch provenance.

Life August Heinrich Bruinier was born in Zweibrücken, close to the French frontier. His father, Jan Berend Hendrik Bruinier (1863–1934) had been born in Amsterdam, but lived in Germany where he worked as the chief executive officer (Geschäftsführer) of a manufacturing company in the heavy industrial sector.#tag:ref|"Deutscher Arbeit Verband Deutscher Dampfkessel- u. Apparate-Bauanstalten" In the "Society for Modern Musical presentation in Berlin", which Othmar Steinbauer and Max Deutsch had created (based on the example of Schoenberg's Society for Private Musical Performances in Vienna), Bruinier was the leader of the "House quartet". He was also a member, with , of the "Old German Chamber Quartet" ("Altdeutsche Kammerquartett").

Between 1928 and 1937 Bruinier worked as concert master for the Tobis Film company: from 1937 he was employed in the same position at Berlin's Nollendorf Square Theatre (as it was then known). Between 1943 and 1963 he taught the violin at the Braunschweig District Music Academy. Along with this, between 1951 and 1961 he held summer chamber music courses in the hills south of Würzburg, for JMI at Schloss Weikersheim.

Chamber music ensembles Brothers Bruiner: August Heinrich Bruinier performed as a duo together with his brother, pianist Franz Servatius Bruinier. Bruinier-Trio: August Heinrich Bruinier performing a piano trio together with his brothers Franz und Julius Ansco Bruinier at the Vox broadcasting house at Potsdamer Strasse in Berlin. Bruinier-Quartett: in 1922 Bruinier formed the Bruinier-Quartett. Members were, apart from him playing the 1st violin, Marg. Schmidt-Laipa and later Fritz Wehmeyer (1906–1973) (2nd violin), from 1927 to 1937 Karla Höcker, followed by Karl Reitz (viola) and Hans Chemin-Petit, Paul Blumenfeld (1901–2001) (1929 bis 1932) and Karl Dechert (1900-1962) (cello). Due to World War II and Reitz' sudden death in 1943 the quartett was dissolved in 1944.