He published an essay , under the pseudonym of a fictitious Polish nobleman , arguing ( unsuccessfully ) for the German candidate for the Polish crown .
After Leibniz 's service to the Elector there soon followed a diplomatic role .
Leibniz published an essay , under the pseudonym of a fictitious Polish nobleman , arguing ( unsuccessfully ) for the German candidate for the Polish crown .
After Leibniz 's service to the Elector there soon followed a diplomatic role .