Germain Sommellier
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Germain Sommellier was an engineer known for his work on major tunneling projects, including the Mont-Cenis Tunnel, and played a role in the competitive landscape surrounding the Gotthard Tunnel construction.
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Germain Sommellier was an engineer who worked alongside Severino Grattoni on the Mont-Cenis Tunnel.
Louis Favres tragische Wette auf die TechnikNeue Zürcher Zeitung·
Switzerland· 2026-07-18
Switzerland· 2026-07-18
