The man’s name is on the company sign—Fred Wahl Marine Construction. And the Reedsport, Ore.-based commercial shipyard and boatbuilder, which began with Wahl and his toolbox, celebrates 50 years in business this year. When in his presence on the banks of the Umpqua River, Teddy Roosevelt’s “walk quietly but carry a big stick” stance comes to mind. “Since I’m almost 78, I don’t get here real early anymore,” the soft-spoken Wahl said. “I get here about 9:30 or 10 (a.m.) and I make my rounds. Visit my lead people and see what kind of disasters we’re running into. “Pretty much…