Archibald Henderson / Alfred Clebsch / Jacob Steiner / Ludwig Schl¨afli / John Sylvester / CUBIC SURFACES / IGOR V. DOLGACHEV / LUIGI CREMONA / Camille Jordan / Teodor Reye / Eugenio Bertini / Arthur Coble / Heinrich Schr¨oter / Hermann Grassmann / Arthur Cayley / Rudolf Sturm / George Salmon / /