Steiner is a German surname (derived from Stein, meaning a stone). According to some sources, the surname has also English origins.

The Steiner tree problem
The steiner problem in graphs
Improved Steiner tree approximation in graphs
A fast algorithm for Steiner trees
A fast algorithm for Steiner trees
The Rectilinear Steiner Tree Problem is NP-Complete
The Complexity of Computing Steiner Minimal Trees
An Approximate Solution for Steiner Problem in Graphs
An approximate solution for the Steiner problem in graphs
An efficient cost-sharing mechanism for the prize-collecting Steiner forest problem