VOICESPhotos (L to R):Humble Beginnings-Klein Asso-ciates began in the basement of a little rented cottage in Lexington, Massachusetts.A page from Martin Klein’s Laboratory Notebook noting the founding of Klein Associates.Marty Klein at his desk at Klein Associates.Martin Klein with a Klein multibeam side scan sonar. “We were proud that side scan was able to ? nally replace the old wire drag technology.”Photos courtesy Martin Klein and the MIT Museumthe company. A lot of them I didn’t go; my customers went. cal graphic recorder with analog signal processing. It worked, All kinds of shipwrecks were found, for example the Hamilton but it had all sorts of problems, it was expensive to make, it and Scourge, the War of 1812 ships in Lake Ontario; the space was dif