Zay Jeffries

Three years later, he also obtained his MSc in metallurgical engineering from the same school, and in 1918 Harvard University awarded him his Doctor of Science degree.

[1] After his graduation in 1910 he started as an assayer for the Custer mining company in South Dakota, and later that year he accepted an appointment as an instructor at Case Western Reserve University in Cleveland.

[7] Jeffries was also a vice president of General Electric: as such, he and other officers were prosecuted in 1948 for violating federal law; that same year, he also received the Medal for Merit.

In his later years, Jeffries retired to Pittsfield, Massachusetts, where he died of cancer in May 1965, survived by his wife and daughter.

[8] On October 10, 2019, President Donald Trump issued a full pardon to Jeffries for a conviction for engaging in anti-competitive practices in violation of the Sherman Antitrust Act of 1890, for which Jeffries had been convicted in 1948, and assessed a $2,500 fine (equivalent to $32,000 in 2023) with no jail time.