While an engineering apprentice Olaus Henrici's talents were recognised by Clebsch and he persuaded Hesse to take Henrici on as a Ph.D. student at Heidelberg. Henrici then went to Berlin and studied under Weierstrass and Kronecker. He came to England in 1865 and Hesse introduced him to Sylvester. Sylvester in turn introduced he to Hirst who helped him to a chair at University College London in 1870. From 1884 he held a chair at Bedford College.
Henrici introduced graphical statics into Bedford and at the
Central Technical College he introduced a Mechanics Laboratory and a Harmonic
Analyser. He was elected to the Royal Society in 1874. He was awarded an
honorary degree by St Andrews in 1884.