One might have thought that this remarkable record of productivity would have been sufficient to gain him his doctorate but he had to wait for a further year before this was awarded in 1887.
Isa maaaring magkaroon ng isipan na ito pansin ng mga rekord ay produktibo ay sapat na upang makakuha ng kanya kanyang titulo ng doktor ngunit siya had sa maghintay para sa isang karagdagang taon bago ito ay iginawad sa 1887.