The editors are grateful to:
Sjúrður Fróði Olsen, Danish Epidemiology Science Centre, Copenhagen, for drawing attention to this record. Professor Charles Rodeck for supplying the photographic portrait of Dr Theobald
Sjúrður Fróði Olsen, Danish Epidemiology Science Centre, Copenhagen, for drawing attention to this record.
Professor Charles Rodeck for supplying the photographic portrait of Dr Theobald