18 Facts About Rasmus Malling-Hansen

Hans Rasmus Johan Malling-Hansen was a Danish inventor, minister and principal at the Royal Institute for the Deaf.

Rasmus Malling-Hansen is famous for inventing the first commercially produced typewriter.

That year Rasmus Malling-Hansen developed a fast speed writing machine to be used for stenography, called the Takygraf.

Rasmus Malling-Hansen was the first person to discover the unique possibilities of blue carbon paper, and developed a copying technique he called the Xerografi.

Rasmus Malling-Hansen was a principal at the Royal Institute for the Deaf, from 1865 to 1890.

Rasmus Malling-Hansen considered the teaching of the deaf ineffective because of the large variation of the pupils' abilities.

In 1867 Rasmus Malling-Hansen put forward a proposal to divide the pupils into 3 different groups, depending on their abilities.

Rasmus Malling-Hansen implemented a new pedagogical speech method of reading lips for the group called the not originally deaf; those who had a limited hearing ability and could speak.

Rasmus Malling-Hansen aimed to improve the living conditions of the deaf-mute students.

Rasmus Malling-Hansen understood that the main reason for the lung diseases, was the lack of space in the school - there were too many children in a too small area.

In 1879 Rasmus Malling-Hansen made a proposal to establish a new Institute in Jylland.

Rasmus Malling-Hansen is regarded as having had a significant impact on the development of the Danish and the Nordic educational system.

Rasmus Malling-Hansen investigated whether the nourishment of the children was sufficient.

Rasmus Malling-Hansen started a scientific investigation, which included several weighings and measurings of the children's daily height.

Rasmus Malling-Hansen saw that the growth was affected by an unknown factor.

Rasmus Malling-Hansen was in correspondence with other scientists who reported their results from different measuring projects initiated by Malling-Hansen.

Rasmus Malling-Hansen's discoveries became internationally recognized, and his book was translated into German.

Rasmus Malling-Hansen was married in 1865 to the daughter of the former principal of the Royal Institute, Cathrine Heiberg, and he became the father of seven daughters.