Detailed Instructions: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
Q: Context : Georg Friedrich von Reichenbach (24 August 1771 -- 21 May 1826), German scientific instrument maker, was born at Durlach in Baden on 24 August 1771.
Answer : 21 May 1826
A:
When did Georg Friedrich von Reichenbach die?