WELCOME
Submitted by
ASWATHY.B.S
Physical
science
Roll No. 9
KUCTE Kariavattom
PRAFULLA
CHANDRA RAY
INTRODUCTION
•
Acharya Prafulla
Chandra Ray was born in 1861 in a village in Khulna ,
now in Bangladesh
•
P.C Ray was an
Indian Chemist, educator and entrepreneur
•
He was known as
“Father of Indian Chemistry”
•
He was a founder of Bengal Chemicals and Pharmaceuticals.
• He is the author of A History of Hindu Chemistry
from the Earliest Times to the Middle of Sixteenth Century.
EARLY LIFE AND
EDUCATION
•
After his
childhood education in his village school, Prafulla Chandra moved to the Hare
school (Calcutta
•
After a lapse of
two years he started again education at the Albert school from where he passed
the Entrance Examination in 1878.
He joined the Metropolitan
Institution, from where be passed the First Arts Examination in 1880
•
In 1882 he joined
the University of
Edinburgh
•
He was awarded
the Hope Prize which allowed him to work on his research for a further period
of one year after completion of his doctorate
•
His topic of research was Conjugated of Group –A study
and Molecular Combinations.
•
While a student
he was elected Vice-President of Edinburgh University Chemical Society in 1888.
CAREER
•
Prafulla Chandra
returned to India in the
first week of August 1888 and subsequently joined Prasidency
College , Calcutta
•
In 1896, he
published a paper on preparation of a new stable Chemical Compound :Mercurous
Nitrite.
•
This work made
way for a large number of investigative papers on Nitrites and hyponitrites of
different metals and on nitrites of ammonia and organic amines.
•
In 1912, the University of Durham
•
In 1916 Prafulla
Chandra left the Presidency College and joined
the newly founded Calcutta
University
•
In 1920, he was
elected General President of the Indian Science Congress
CATTLE-BONES EXPERIMENT
He used to collect bones of
dead cattle and store them in the yard. Once when he made a bonfire of the
bones, police came to the spot. However, from the waste cattle bones he
produced phosphate of soda having medicinal tonic properties
SOCIAL WORK AND
CULTURAL ACTIVITIES
•
Beyond the realm
of science Prafulla Chandra Ray took great interest in social work and cultural
activities.
•
He was an
exponent of the cultivation of arts and sciences through one’s mother
tongue.
•
He himself wrote
a lot in Bangla and encouraged others to write in the mother tongue.
In 1923, Northern
Bengal suffered a flood which made millions of people homeless and
hungry. Prafulla Chandra organized Bengal Relief committee, which collected
nearly 2.5 million rupees in cash and kind and distributed it in the affected
area in an organized manner
LITERARY WORK AND
INTERESTS
•
He
contributed articles in Bengali to many
monthly magazines, particularly on scientific topics.
•
He published the
first volume of his autobiography “Life and Experience of a Bengali Chemist ”
in 1932 and dedicated to the youth of India
CONTRIBUTIONS AND
ACHIEVEMENTS
•
In 1902, his
research work of History of Hindu Chemistry was published.
•
In 1892,he
established Bengal Chemical and Pharmaceutical works that incredibly flourished
under Ray’s management.
•
Many of his
articles on science got published in renowned journals of his time.
•
He promoted the
Khadi material and also set up many cottage industries.
CONCLUSION
•
Prafulla Chandra
Ray lived full 83 years of fruitful life and died in 1944, a year before the
end of World War II.
•
Scientists are
people who live for others. Ray is a ray on the “scientific horizon”.
REFERENCES
•
101 Scientists
who shaped the world –
Kamal S Srivastava ,
Sangeetha Srivastava.
•
Wikipedia, the
free encyclopedia.
THANK YOU
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