a PhD in 1905 means that he got it around the time he published his 4 articles in Annalen der Physik. I understand your point, but by the time he wrote the rela

a PhD in 1905 means that he got it around the time he published his 4 articles in Annalen der Physik. I understand your point, but by the time he wrote the relativity theory he was, by the standards of this article, an amateur.