Question

who invented pen , homework,sethisscop​

Answer 1

Answer:

Pen -László Bíró

The pen may be mightier than the sword, but when Jewish-Hungarian journalist László Bíró invented the ballpoint pen in the 1930s clichéd sayings were probably the last thing on his mind.

Homework - Horace Mann

Horace Mann: The Father of Modern Homework

In the 19th century, Horace Mann, a politician and educational reformer had a strong interest in the compulsory public education system of Germany as a newly unified nation-state.

Sethiscope - Rene Theophile Hyacinthe Laënnec (1781–1826) was a French physician who, in 1816, invented the stethoscope. Using this new instrument, he investigated the sounds made by the heart and lungs and determined that his diagnoses were supported by the observations made during aut

Answer 2

1) sethisscop :- Rene Theophile Hyacinthe Laënnec (1781–1826) was a French physician who, in 1816, invented the stethoscope. Using this new instrument, he investigated the sounds made by the heart and lungs and determined that his diagnoses were supported by the observations made during autopsies.

2) homework :-Horace Mann

Horace Mann: The Father of Modern Homework

In the 19th century, Horace Mann, a politician and educational reformer had a strong interest in the compulsory public education system of Germany as a newly unified nation-state.

3) pen :-László Bíró

The pen may be mightier than the sword, but when Jewish-Hungarian journalist László Bíró invented the ballpoint pen in the 1930s clichéd sayings were probably the last thing on his mind.