The entertainment technology industry is dotted with famous families on the business side — everyone is familiar with such names as the Kliegls, the Altmans, and the Harrises. It's much more unusual to find families of designers. Take, for example, the Irwin Brothers — Michael, David, and Steve — all of whom have worked as lighting designers, programmers, and suppliers, and who now are pioneering the latest techniques in education for lighting professionals. Michael, the eldest, takes the ...

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