He spoke quite simply, and when he closed his lips he left in the minds of his listeners a hundred thoughts which his words had conveyed, He was born in Breslau, had studied in Berlin, and had started a practice there when his student day's were over.

The Revolution of '48 came, and he at once threw himself head over ears into it.

He fought at the barricades, took part in the storming of the Arsenal, became a celebrated platform orator, and relieved a great deal of distress during the reactionary policy which followed, leaving soon afterward, however, to travel abroad.

He went to London almost penniless, and at first, through his ignorance of the language, he was barely able to maintain himself, but he soon had the good fortune to obtain an appointment in the East India Company.

In the spring of 1850 he went to Calcutta, where he helped to manage the School of Medicine, and some years later was sent to Lahore, where he also established a medical school.