"Professor Mahmood Hesabi" was born in Tehran in 1903 (1281, A.H. Solar). His parents were from Tafresh. At the age of four his family moved to Syria and at the age of seven he moved to Beirut. At the same time, his mother, Gohar Shad Hesabi, who was dedicated, religious and knowledgeable woman, started teaching him Persian Literature and religious education. At the age of seven he memorized the Holy Quran by heart and later he started to read great books of Persian literature such as Hafez’s Diwan ,Saadi’s Bustan and Golestan, Ferdousi’s Shahnameh, Molavi’s(Rumi’s) Masnavi and Ghaem Magham’s Monshaat
At the early age of seventeen he obtained his Bachelor’s in Arts and Sciences from the American University of Beirut. Later he obtained his BA in civil engineering while working as a draftsman. After a short period of time he obtained a BA in Mathematics and Astronomy.
He continued his studies and graduated from the Engineering school of Beirut in 1925 . At the same time he was hired by the French Electric Railway Co. He had a scientific mind and continued his research in Physics at the Sorbonne University and obtained his PHD in Physics from this University at the age of twenty-five. The title of his dissertation was "Sensitivity of Photo Electric Cells
At that time when 15 thousand people were volunteers to attend Einstein’s class he had the chance to be one of the 5 chosen ones. He had a meeting with Einstein at Princeton in the U.S and one year later he presented a theory called "Infinitely Extended Particles". By the help and guide of Einstein and his own research in Chicago University he was able to defend his theory and explain it to other great scientists such as Born, Mezmi and Schrodinger and he was awarded the medal of the "Commandeur De La Legion D"honneure", France’s greatest scientific medal. When he returned to Princeton, Einstein elected him as a substitute of himself at this university and it was a very big honor that he received
He continued lecturing at University for three working generations, teaching seven generations of students and professors. He spoke five living languages: Persian, French, English, German and Arabic and he also knew Sanskrit, Latin, Greek, Pahlavi, Avestan, Turkish and Italian which he used for his etymological studies. In the scientific field, twenty-five research papers, articles and books have been put to print by professor Hesabi.
During the congress of "60 years of physics in Iran" the services rendered by him were deeply appreciated and he was entitled "the father of physics in Iran”. He was chosen as the Man of Science in the World in 1989. On 3rd of September, 1992 (12th of Shahrivar 1371, A.H. Solar) at 7:30 am (still a university professor at Tehran University) he passed away in hospital of Geneva University after a period of illness
گردآوری و تنظیم: محمد رحملو - پویا خزان بهار - علی بهروزی