Why did Bourbaki ignore the theory of categories? only survived 25 hours in 2013, collecting 5 answers; it has been closed ever since. The reason given (“not constructive”, “will likely solicit debate, arguments,...” rather than “facts, references,...”) would no longer be an option, and seems refuted by the facts, references, etc. since added in ...
This cw question (on the spelling of Chebyshev and Cholesky) has good answers and I think it deserves to be reopened. (The sole Chebyshev case was worth a specific discussion, and for this reason I think it's fine to have it here rather than on a linguistics forum.)