A two-port framework for robust and optimal control introduces an alternative approach to robust and optimal controller synthesis procedures for linear, time-invariant systems, based on the two-port system widespread in electrical engineering. The novel use of the two-port system in this context allows straightforward engineering-oriented solution-finding procedures to be developed, requiring no mathematics beyond linear algebra. A chain-scattering description provides a unified framework for constructing the stabilizing controller set and for synthesizing H2 optimal and H sub-optimal controllers. Simple yet illustrative examples explain each step. A two-port framework for robust and optimal control features a hands-on, tutorial-style presentation giving the reader the opportunity to repeat the designs presented and easily modify them for their own programs, along with an abundance of exams.