After working under Leopold Gmelin at Heidelberg, and Liebig at Giessen, he spent three years in Paris studying the higher mathematics under Comte.
In 1905 the 75th anniversary of Belgian independence was celebrated, and there was a great manifestation of loyalty to King Leopold II.
Cherished affectionate feelings towards his niece; unfortunately he took offence at the duchess of Kent for declining to let her child come and live at his court for several months in each year, and through the whole of his reign there was strife between the two; and Prince Leopold was no longer in England to act as peacemaker.
In October Leopold ordered the dispersion of the emigres who had mustered in arms in the Austrian Netherlands.
In 1666 he was appointed teacher of 'medicine at Mainz and body-physician to the archbishop-elector; and the same year he was made councillor of commerce (Commerzienrat) at Vienna, where he had gained the powerful support of Albrecht, Count Zinzendorf, prime minister and grand chamberlain of the emperor Leopold I.
The third son of Count Franz, Leopold or LEO (1811-1888), was one of the leading Austrian statesmen.
In 1775 he travelled for nine months in Italy with Prince Leopold of Brunswick, and in the following year he married Eva KOnig, the widow of a Hamburg merchant, with whom he had been on terms of intimate friendship. But their happiness lasted only for a brief period; in 1778 she died in childbed.
The traditional loyalty to the emperors, which was cemented by several marriages between the imperial house and the Babenbergs, was, however, departed from by the margrave Leopold II., and by Duke Frederick II.
He gained the esteem of Leopold I., and was presented to Queen Victoria of England and the Prince Consort.
Maximilian now turned for support to the Mexican clericals; meditated abdication, but was dissuaded by his wife Charlotte, the daughter of Leopold I.