Gustaf Dalén
18691937
Swedish Nobel Laureate and industrialist who invented automatic regulators for lighthouses and buoys, significantly improving maritime safety
3 ទំព័រវិញ្ញាណក្ខន្ធ បានរកឃើញ
មើលទាំងអស់ក្នុង Lives ជាមួយតម្រងដែលបានអនុវត្ត18691951
French author and 1947 Nobel Prize winner whose 50+ books explored human psychology with fearless honesty
