Helminthology Asmund Rudolphi, Otto Friedrich Bernhard von Linstow and Johann Gottfried Bremser started systematic scientific studies of the subject. The Japanese parasitologist Satyu Yamaguti was one of the most active helminthologists of the 20th century; he wrote the six-volume "Systema Helminthum". Helminthology Helminthology is the study of parasitic worms (helminths), while helminthiasis describes the medical condition of being infected with helminths. Helminthology studies the taxonomy of helminths and their effects on their hosts. The origin of the first compound of the word is the Greek "ἕλμινς" - helmins, meaning "worm". In the 18th and early 19th century there was wave of
The Creatures of Prometheus The Creatures of Prometheus The Creatures of Prometheus (), Op. 43, is a ballet composed in 1801 by Ludwig van Beethoven following the libretto of Salvatore Viganò. The ballet premiered on 28 March 1801 at the Burgtheater in Vienna and was given 28 performances. It is the only full length ballet by Beethoven. For Act I of this ballet, Beethoven wrote an Overture and an Introduction, followed by these three numbers: For Act II, he wrote another 13 numbers: According to musicologist Lewis Lockwood, Beethoven’s music for this ballet is "easier and lighter than music for the concert hall…[I]t shows