Joseph Goguen
![Joseph Goguen in 2004](https://upload.wikimedia.org/wikipedia/commons/9/9b/JosephGoguen.png)
In the 1960s, along with Lotfi Zadeh, Goguen was one of the earliest researchers in fuzzy logic and made profound contributions to fuzzy set theory. In the 1970s Goguen's work was one of the earliest approaches to the algebraic characterisation of abstract data types and he originated and helped develop the OBJ family of programming languages. He was author of ''A Categorical Manifesto'' and founder and Editor-in-Chief of the ''Journal of Consciousness Studies''. His development of institution theory impacted the field of universal logic. Standard implication in product fuzzy logic is often called "Goguen implication". Goguen categories are named after him.
He was married to Ryoko Amadee Goguen, who is a composer, pianist, and vocalist. Provided by Wikipedia
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Superior document: Journal of consciousness studies ...