Park Chung-hee
Park Chung-hee (; 14 November 1917 – 26 October 1979) was a South Korean politician and general who served as the President of South Korea from 1963 until his assassination in 1979, assuming that office after first ruling the country as head of a military dictatorship installed by the May 16 coup in 1961. Before his presidency, he was the chairman of the Supreme Council for National Reconstruction from 1961 to 1963 after a career as a military leader in the South Korean army.
Park Tae-joon
The relationship with Park Chung-hee(3rd President of South Korea) started from 1947 when they were in the military. Junghui Park, who was a company commander and also an instructor of ballistics, carefully observed Park Taejoon's behavior because he was good at mathematics and followed his own strict rules. He had become distant from Junghui Park since his graduation. Their relationship started again 10 years later when he had worked in the Headquarters of the Army as a colonel. At the same time, Junghui Park had been assigned as a commander of logistics support base asked Park Taejoon to assist him as the chief of staff.
In spring of 1961, Junghui Park had prepared a military coup, which is well known as the 5.16 military coup, with some officers. Many commanders, including Jongpil Kim participated in the 5.16 military coup.
Two months after the success of 5.16 military coup, Junghui Park assigned Park Taejoon as a chief secretary of chairman on nation reconstruction council. In September, Junghui Park assigned him as a chief member of commerce and industry division on nation reconstruction council. Park Taejoon had always accompanied Junghui Park on every business trip.
In 1963, Taejoon Park and Junghui Park became civilians. Since Junghui Park had taken part in politics, many commanders who had followed him had also taken part in politics, except Taejoon Park who turned to be a businessman. At the end of this year, Taejoon Park was assigned CEO of the Korean Tungsten. He had changed the company from deficit to surplus. In 1967, Park Taejoon got special command to establish Pohang Iron & Steel Co. from president Junghui Park and was assigned as CEO of Pohang Iron & Steel Co. in 1978.
After the Death of president Junghui Park, Park Taejoon volunteered to be the guardian of the son of president Park, Jiman Park. Park Taejoon supported him when he tried to take over Samyang Industries.