 In the present-day, KTH provides one-third of Sweden's research and engineering education.In 2019, there were a total of 13,500 undergraduate students, 1,700 doctoral students, and 3,600 staff members at the university.After the American deployment of nuclear weapons at the end of World War II, the Swedish military leadership recognized the need for nuclear weapons to be thoroughly investigated and researched to provide Sweden with the knowledge to defend itself from a nuclear attack.