XII MIPA 2

  Thomas Alva Edison is one of the most important scientists in the history of science. However, in his childhood, he always got bad grades at school, until in the end his mother dismissed Thomas from school and taught him himself at home because he had received a warning from the school that Thomas was a child who could not study at school. He is a student who often misses lessons with his friends. At the age of 12, little Thomas Alva Edison already had a small chemistry laboratory. 1 year later he has succeeded in making a telegraph and at that age he has also worked as a seller of newspapers, sugar and fruit on the train for several years. In 1861, Thomas had the idea to publish his first newspaper on a train which was very useful for meeting people's need for information, his newspaper pocketed US $ 400 in a day. In 1877, Thomas invented the phonograph, in this year he realized the importance of light sources for human life, then he busied himself with problems that at that tim...

  Kusno Sosrodihardjo or better known as Ir. Soekarno was born in Surabaya, June 6, 1901. Bung Karno, who was the first President of the Republic of Indonesia, died on June 21, 1970 in Jakarta at the age of 69 and he was buried in Blitar, East Java. President Soekarno lives in Tulungagung, East Java with his grandfather. He did not spend his childhood with his parents. In Tulungagung, Soekarno had attended school, but could not finish it, because he was back with his parents living in Mojokerto. In 1915, Soekarno successfully completed his education at the Europeesche Lagere School and then lived with H.O.S Cokroaminoto who was a friend of Soekarno's father. Together with H.O.S Cokroaminoto, Soekarno began to know and study politics. He also learned how to make speeches and in 1921 he finished his studies at the Hogere Burger School. After that, Soekarno moved to Bandung and attended the Technische Hooge School majoring in civil engineering, which is currently ITB. Soekarno graduat...