Guglielmo Marconi was an Italian scientist and inventor, known for his development of Marconi’s law and a radio telegraph system, which served as the foundation for the establishment of numerous affiliated companies worldwide. He was born on April 25, 1874 in Bologna, Italy. He belonged to an affluent and cultured family, which provided him with the best of education. Marconi was a talented and polite child. Right since school days he carried out experiments and he preferred electrical experiments the most. He was allotted a room in his house which he converted into a laboratory. The room was scattered with…
Eminent astronomer, physicist and seeker of truth – Galileo Galilei was born on February 15, 1564, in Pisa, a town in Italy. His father Vincenjio Galilei was a wool trader. Galileo belonged to a upper-class family, but their economic condition was not so good. He was the eldest in the family of seven brothers and sisters. His father studied music and was a music lover. Galileo inherited this trait. Since childhood he played the flute very well and was a good hand at drawing. He was an intelligent child, who designed various toys. This artistic streak made him popular among…
Enrico Fermi was a famous Italian physicist particularly known for his work on the development of the first nuclear reactor, Chicago Pile-1, and for his contributions to the development of quantum theory, nuclear and particle physics, and statistical mechanics. He was awarded with Nobel Prize in 1938 for “his discovery of new radioactive elements produced by neutron irradiation, and for the discovery of nuclear reactions brought about by slow neutrons.” Enrico Alberto Fermi was born in Rome, the capital of Italy, on September 29, 1901. His father, Alberto Fermi had no formal education, but with sheer hard work and sincerity…
Dmitri Ivanovich Mendeleev was a Russian Chemist & inventor. He is credited as being the creator of the first version of the periodic table of elements. Using the table, he predicted the properties of elements yet to be discovered. He was born on February, 1834 at Tobolsk in Siberia, in the eastern part of Russia. The Cazar was then ruling over Russia. His father was a director of the local school. Dmitri was the fourteenth and the youngest of the siblings. Theirs was one of the leading families of Tobolsk. In 1787, Mendeleev’s grandfather has set up a printing press….
Arthur Holly Compton was born on September 10, 1892, at Wooster, Ohio, USA. His father Elias Compton was professor of Philosophy at Wooster College, Oxford, in Ohio, and also served as priest in the church there. Arthur, the youngest of three brothers and a sister, was brought up in religious atmosphere at home. His sister Mary married a missionary. They worked and settled in Allahabad, India. Arthur’s eldest brother Karl Compton was a physicist, who had written many papers. Besides, he had done considerable research on photo electricity and the crystal structure. He was appointed president of the Massachusetts Institute…
Archimedes was a great mathematician, physicist, engineer, inventor, and astronomer of his age. But generally, he is considered to be the greatest mathematician of antiquity and one of the greatest of all time. His contributions in geometry revolutionised the subject and his methods anticipated the integral calculus 2,000 years before Newton and Leibniz. He was also a thoroughly practical man who invented a wide variety of machines including pulleys and the Archimidean screw pumping device. He was born 287 BC in the seaport city of Syracuse, Sicily. He was the son of Phidias who was an astronomer. Though he had…
Satyendra Nath Bose was a Bengali Indian physicist, specializing in mathematical physics. He was well-known for his work “Quantum mechanics” in the early 1920s, providing the foundation for Bose-Einstein statistics and the theory of the Bose-Einstein condensate. He was born on January 1, 1894 in Calcutta. He was the eldest son of Surendranath and Amodini Devi. His father was employed in the Engineering Department of the East India Railway. He knew many languages and also could play Esraj (a musical instrument similar to violin) very well. Sateyendra nath Bose began his education at an elementary school and after that he…
Salim Moizuddin Abdul Ali was an Indian ornithologist and naturalist and also Known as the “birdman of India”. He was born on November 12, 1896, in a big Muslim family of Khetwadi in Mumbai. He had five brothers and four sisters. His mother’s name was Jijat-un-nissa. His father Moizuddin died when he was just one year old & mother died when he was three year old. His uncle Amiruddin Taiyabji aroused in him a curiosity towards bird. After the death of his parents, uncle Amiruddin and Aunt Begum Hamida raised all the children. It was a time when interest in…
Every graduate student of physics learns about the classic experiment- Millikan oil-drop experiment to determine the electronic charge. The inventor of the experiment, the world renowned scientist Robert Andrews Millikan, was born on March 22, 1868 at Morrison, Illinois, USA. He came from a family of less means, finance and a large family. Since childhood, he had to do odd jobs to help supplement the family income. The family condition forced all the six siblings in the house to contribute their mite or little earnings, before they could get any formal education. In 1875, the Millikans moved to Maquoketa, in…
Satish Dhawan was a pioneer engineer and Indian rocket scientist. He was born on September 25, 1920, in Srinagar, India. His father was a high-ranking civil servant of undivided India and retired as the resettlement Commissioner of Government of India at the time of partition. He completed graduation from the University of Punjab in Lahore (Now in Pakistan). He also completed B.A. in Mathematics and physics, and M.A. in English Literature and a B.E. in Mechanical Engineering. In 1947, he obtained an M.S. in Aeronautical Engineering from the University of Minnesota. Later, he moved to the California Institute of Technology,…
Dabbala Rajagopal Reddy was born on June 13, 1937 in Katoor, Andhra Pradesh, India. His father Srdenivasulu Reddy was an agricultural landlord and his mother, Pitchamma, was a homemaker. He is a world-renowned researcher in Artificial Intelligence, Robotics, and Human-Computer Interaction better known as “Professor Raj Reddy”. Currently, he is serving as the Director of the West Coast campus of Carnegie Mellon University, USA. He received his Becholor degree in civil engineering from Guindy Engineering College of the University, Madras, (Now Anna University, Chennai), India, in 1958. After that Professor Reddy moved to Australia, and there he received his Master’s…
Professor K R Ramanathan, a scientist with broad outlook was born on February 28, 1893 in kalpathi village in Palghat district of Kerala. His full name was Kalpathi Ramkrishnan Ramanathan. His mother’s name was Subbhalakshmi. His father was a scholar in Sanskrit and the Vedas, besides having deep knowledge of astronomy. When Ramanathan was 13 years old, his mother died. He then had to bear the responsibility of his four younger sisters and almost blind grandmother. He completed his primary and secondary education in his village. He was an intelligent boy, who maintained his first rank throughout his education. He…
Tribhuvandas Kalyandas Gajjar was India’s great scientist and Gujrat’s first and foremost chemist. He was born in August, 1863 in a well-to-do and prosperous Gajjar family of Surat. His uncle, Atmaram Gajjar was well-known personality. Atmarambhai’s ancestor, who belonged to carpenter family, had earlier settled in Dhanasuthar’s pole in Ahmedabad. A square named Gajjar square still exists there. Tribhuvandas’s father kalyandas was a well-known sculptor. He had also written a book called ‘The Art of Sculpture’. Tribhuvandas was the youngest of four sons and two daughters of Kalyandas. Tribhuvan was an intelligent child. He cleared every class with high grades….
India’s great scientist and Gujarat’s famous Jamshedji Chinoy was born on February 19, 1909 in Kachchh-Bhuj. He was the son of Jijabhai & Gulbai Chinoy. He had his college education in Mumbai. In 1929, he cleared B.Sc. in Botany with a first class with distinction from Mumbai University. After losing his father at a very young age, he was brought up by his grandfather. Some years later, his grandfather too, passed away. With courage and hard work he surged forward. Considered a bright student in school and college, he regularly took part in various debates. Having stood first at the…
Considered one of the leading space scientists in the world, Dr U R Rao was born on March 10, 1932, in Admar village in the south Canara district in Karnataka state. His father’s name was Lakshminarayan Rao and his mother’s name was Krishnavalli. His full name was Udupi Ramchandra Rao. He completed his school and college education from a place near his village. Very fond of reading during his school and college days, he was among the top rankers in class. He passed BSc with a first class in physics and joined the Varanasi (Benaras) Hindu University for his post-graduation….
Prafulla Chandra Roy is one of the famous scientists of India and also founder of Bengal chemical & Pharmaceuticals. This was the first pharmaceutical company of India. Considered as one of the components of the Bengal Renaissance, Prafulla Chandra Roy was an eminent scientist, an exemplary entrepreneur, a patriot and a passionate teacher. Prafulla Chandra Roy was born on August 2 , 1861 in Raruli- Katipara village, in the district of Khulna (Now in Bangladesh) and died on June 16, 1944. His father, Harish Chandra Roy who was a landlord with liberal views belonged to a wealthy cultured family to…
Prasanta Chandra Mahalanobis was a great scientist and applied statistician. He is famous for the ‘Mahalanobis Distance’, a statistical measure. He did pioneering work on anthropometric variation in India. Professor Mahalanobis made valuable contributions to the development of statistical science in India. He founded the Indian Statistical Institute, and contributed to large-scale sample surveys. Scientist P.C. Mahalanobis was born on June 29, 1893. He was the son of Prabodh Chandra & Nirodbasini. His father was an active member of the Sadharan Brahmo Samaj. He started education from Brahmo Boys School in Calcutta. Then he completed graduation in physics from the…
Michael Faraday (22 September 1791 – 25 August 1867) was a scientist, chemist, physicist and philosopher who greatly contributed to the fields of electromagnetism and electrochemistry. His main discoveries include that of the Magnetic Field, Induction, Diamagnetism and Electrolysis. Michael Farady was born at Newington, Surrey, now a part of South London on September 22, 1791. His father was a blacksmith who has migrated in search of work form the north of England in 1791. Due to ill health he faced lot of difficulties at work. His mother was a country woman of great calm and wisdom who supported her…
MEGHNAD SAHA was a great Indian scientist. He made remarkable contribution to the field of Astrophysics. He put forward an “ionization formula” which explained the presence of the spectral lines. Meghnad Saha belonged to a poor family and struggled to rise in life. He was born in Seoratali, Dacca district, now in Bangladesh, on October 6, 1893. He was the fifth child of his parents, Sri Jagannath Saha and Smt. Bhubneshwari Devi. His father was a petty grocer who barely managed to keep his large family from starvation. Meghnad Saha started his education in the primary school of the village….
Madame Marie Cruie was a French physicist and chemist famous for her work on radioactivity. She was a pioneer in the field of radioactivity and the first person honored with two Nobel Prizes, first in physics and second in chemistry. She was also the first female professor at the University of Paris. Maria Skłodowska was born on November 7, 1867, in Warsaw, Poland. Her father belonged to a farmer family, but studied at the Warsaw High School and took up teaching mathematics and physics there. Her mother was a good pianist. When Marie was 10 years old, she lost her…