Framed in his office, Eric Olson displays what he calls a “unique piece of history.” It’s a letter informing him of a $44 million settlement in a class action lawsuit involving Theranos, the infamous company based in Palo Alto, California, that claimed it could run hundreds of diagnostic medical tests with just a few drops of a patient’s blood. Below the letter is a check for $46.65—Olson’s cut as a former customer.The lawsuit, filed in 2016, took long enough to conclude that the check was sent this spring to the New York home Olson sold when he moved to Austin seven years ago. The timing of the settlement’s arrival felt serendipitous because he had since built a company that promises to do something Theranos never…