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Sigma Xi: full-membership certificate, 2023

A professional record preserved with its original certificate.

Election recorded in 2023

The certificate states that Mohamed Haj Yousef was elected a Full Member of Sigma Xi, The Scientific Research Honor Society, by its Committee on Qualifications and Membership in 2023.

The original image is retained here without alteration. It documents the election recorded on the certificate; it is separate from the results and claims of individual research papers.

Sigma Xi certificate recording Mohamed Haj Yousef’s election as a Full Member in 2023 — The certificate supplied in the author archive. Select the image to view the original file.

Related information

Sigma Xi official website · Other professional records · Research papers