Gustaf Dalén
18691937
Swedish Nobel Laureate and industrialist who invented automatic regulators for lighthouses and buoys, significantly improving maritime safety
အောက်မေ့ဖွယ်စာမျက်နှာ ၄ တွေ့ရှိ
စစ်ထုတ်ချက်ဖြင့် အသက်တာများတွင် အားလုံးကြည့်ရန်18691938
British princess who became Queen consort of Norway from 1905 to 1938, strengthening the newly independent nation's monarchy