Conversation so far:
When was Rudolf Steiner born?
CANNOTANSWER.
Did he receive formal education?
Steiner entered the village school; following a disagreement between his father and the schoolmaster.
Did he also attend college/university?
he studied mathematics, physics, chemistry, botany, biology, literature, and philosophy on an academic scholarship from 1879 to 1883.
Where did he attend university?
the family moved to Inzersdorf to enable Steiner to attend the Vienna Institute of Technology.
Did any of is professors have an impact on his life?
one of Steiner's teachers, Karl Julius Schroer, suggested Steiner's name to Joseph Kurschner.
Is Joseph Kurschner important in his life?
chief editor of a new edition of Goethe's works, who asked Steiner to become the edition's natural science editor.

Question: What interesting detail of his education do I need to know about?
Self-contained rewrite: What interesting detail of Rudolf Steiner's education do I need to know about?