@cpchem @SuperScienceGrl @mynameis_rob @JJRodV 1652 in Germany and then US and UK copied in 19th Century https://en.wikipedia.org/wiki/Doctor_of_Philosophy
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@cpchem @SuperScienceGrl @mynameis_rob @JJRodV 1652 in Germany and then US and UK copied in 19th Century https://en.wikipedia.org/wiki/Doctor_of_Philosophy
๐ 0 ๐ 0 Original URL