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they invent cheese
Lewis and Clark did not invent anything.
him and his son helped invent the compound microscope by putting two lenses together warning they did not invent the microscope but did invent the compound microscope
Levi Dickenson is the first one who invent the broom. :)
Helen Hogg is no t alive. She died on January 28,1993
Helen Murray did not invent anything of note. She is primarily known for her work in the field of nursing and public health during the early 20th century.
Helen Murray Free invented dip-and-read diagnostic test strips that allow people with medical problems, such as diabetes, to easily and quickly monitor their health at home. These test strips have revolutionized the way individuals can control and manage their health conditions without needing to visit a medical facility for routine tests.
Helen G. Murray has written: 'Out of work' -- subject(s): Unemployed
Helen Murray Roberts has written: 'Elements of mathematics' -- subject(s): Mathematics
He got married twice, the first time was in 1837 to Anna Murray a free black slave.The 2nd time he got married was in 1884 to Helen Pitts, a white woman1838,September 15
helen keler
Micheal Ryan or Helen Keller invent sign language
she invented the first computer complier.
Helen Hunt
To the gathering a cotton mush easier.
he was married to Anna Murray and Helen pitts
No, Annie Sullivan did not invent sign language. She was a teacher for Helen Keller and used a modified version of the manual alphabet to teach Keller how to communicate. Sign language has evolved over centuries and is used by deaf communities around the world.