Juggler of Information
A mathematician with an inventor’s playfulness. He found a language for switching circuits and a theory for sending messages through noise.
Mathematician & Information Theorist
At MIT, Shannon worked with Vannevar Bush’s differential analyzer. His master’s thesis brought Boolean algebra to relay and switching circuits, connecting symbolic reasoning with electrical design.
The delight is in the change of representation: a physical circuit can be reasoned about with algebra. That meeting of abstraction and machinery remained characteristic of his work.
At Bell Labs, Shannon developed a mathematical theory of communication. The paper studies how information can be encoded and conveyed through channels, including those affected by noise.
He explicitly sets the meaning of a message aside from the engineering problem. Information quantity, in this account, is not a score for truth, beauty or wisdom. The distinction keeps the theory precise.
Shannon’s inventions included Theseus, an electromechanical mouse that found its way through a maze, as well as juggling machinery and other playful devices. The imaginative engineer belongs alongside the theorist.
He returned to MIT as a professor and died in 2001. The papers offer one rabbit hole; the toys offer another way to encounter the questions that occupied him.
1948 · Claude Shannon · Corrected reprint
Begin with the introduction: the engineering problem is recovering a message selected elsewhere.Read the PDF1937 · Claude Shannon · MIT master’s thesis
Boolean algebra becomes a way to reason about electrical switching.Read the thesis PDF1949 · Claude Shannon · Publisher record
Read the work1950 · Claude Shannon · Original paper at CHM
Read the work1951 · Claude Shannon · Publisher record
Read the work1949 · Claude Shannon · Publisher record
Read the work1956 · Claude Shannon · Original essay
Read PDF1982 · Interview with Robert Price · IEEE archive
Read the interview
Vannevar BushThe MIT machine on which Shannon worked as a student
Douglas EngelbartFrom transmitting information to helping people work with it