Foundherentism was developed and defended by Susan Haack in Evidence and Inquiry: Towards Reconstruction in Epistemology (1993).
Moreover, those foundationalists who wondered why there couldn't be mutual support between basic and derived beliefs were in danger of falling into coherentism.
[3]: 177–202 Haack argues that foundationalism and coherentism don't exhaust the field, and that an intermediate theory is more plausible than either.
Precursors to Haack's view include Bertrand Russell's epistemology, in which both empirical foundations and coherence are components of justification.
She claims that her metaphor has proven particularly fruitful in her own work, and has been found useful by many readers, not only philosophers but also scientists, economists, legal scholars, etc.