Abu Ja’far Muhammad ibn Musa Al-Kharazmi (850–780 AD) (185–233 AH) was an Iranian mathematician, astronomer, geographer, philosopher, historian, and polymath during the era of the Abbasid caliphs (from Harun al-Rashid to al-Mutawakkil). He spent most of his life in Baghdad and was a member of the House of Wisdom. His fame in mathematics, especially in algebra, is well-known

Al-Kharazmi University in Tehran, which is the eighth-best university in Iran, is named in his honor. George Sarton refers to the first half of the 9th century AD as the “Age of Al-Kharazmi” in his book

Achievements of Khwarizmi
Promotion of Indian-Arabic numerals
Foundation of algebra
Solving quadratic equations through completing the square
Invention of accounting and double-entry bookkeeping
Astronomy
Work on the astrolabe
Timekeeping and clocks
Geography
History

Kharazmi Festival

The Kharazmi Festival is a scientific festival in Iran that is named in honor of the great Iranian Islamic scholar “Abu Ja’far Muhammad ibn Musa Kharazmi” to recognize the status of scholars and innovative technologists. This festival is held annually in two separate processes

One is known as the Kharazmi Young Festival for researchers and technologists under the age of thirty-five, which also has a student section and holds the awards ceremony for the winners in December. The other is the International Kharazmi Festival, which holds its awards ceremony for the winners in February in the presence of the President of Iran. In addition to technical and engineering projects from within the country, it also recognizes winners from around the world in the fields of technical and engineering sciences and basic sciences