Carl Siegmund Friedrichs Lachs (1832-1910) was a Bavarian-Swedish brewmaster active in Sweden and the United States.

[1] Friedrichs Lax was born on 9 January 1832 in Altdorf bei Nürnberg, Kingdom of Bavaria.

He immigrated to Halmstad, Sweden, in 1860; naturalised as Swedish citizen in 1878.

Furthermore, he brewed Fred Lax's Columbus Ale in New York City, United States.

After relocating to Sweden he founded a yeast factory on Södermalm in Stockholm in 1894.