A lifetime of tinkering has led Brian Boggs to create a line of innovative woodworking tools, and some of the world’s finest chairs. Brian Boggs made what some people called the perfect chair. A ladderback with a woven hickory bark seat, it was beautiful, durable, lightweight, and, most important, comfortable no matter your body type. He named it the Berea Chair, after Berea, Kentucky, where he briefly went to college, had a family, and honed his craft. He’d innovated the backs and the legs, taking a 200-year-old design that farmers had made in barns and Shakers had made in simple wood shops, and “he did something to the seat and a lot of something to the back, and performed a simple trick that rotated the back legs,” says Gary Rogowski, who runs the Northwest Woodworking Studio, a furniture-making school in Portland, Oregon. Boggs tinkered with this chair until it was as beautiful and sturdy and comfortable as it could be, until it was the kind of chair that other chair-makers, i...