Günther_Fielmann
Günther Klaus Fielmann (17 September 1939 – 3 January 2024) was a German billionaire businessman, the founder, majority owner and the chief executive officer of Fielmann, a German optics company focusing on retail eyewear. At the time of his death, his net worth was estimated at US$4.6 billion. From 2019, the management of Fielmann Group, was handed over completely to his son Marc Fielmann.