Kersti Kaljulaid
Estonian President and reform advocate
Served as the President of Estonia from 2016 to 2021, becoming the first woman to hold the office. Before presidency, held the position of the Estonian representative to the European Court of Auditors and was involved in the social and educational sectors. Focused on digital innovation, environmental policy, and strengthening Estonia's role in Europe and the world.
First female President of Estonia
Promoted digital transformation in governance
Other People Born on December 30th
Paul Bowles
Composer and author, wrote 'The Sheltering Sky'
Born
December 30th, 1910 115 years ago
Died
November 18th, 1999 26 years ago — 88 years old
An American composer and author, worked in various artistic fields. Best recognized for the novel 'The Sheltering Sky', which explores themes of existentialism and cultural displacement. Created a unique musical style that blended traditional Western classical music with various world influences. Lived in Morocco for much of his life, which heavily influenced his writing and compositions.
Continue ReadingSylvester Jordan
Austrian-German lawyer and politician.
Born
December 30th, 1792 233 years ago
Died
April 15th, 1861 165 years ago — 68 years old
Graduated in law and practiced as a lawyer. Held significant political positions within the German Confederation. Contributed to legal and administrative reforms during the mid-19th century. Advocated for legal consistency and modernization in governance. Played a key role in legislative discussions and was involved in efforts promoting justice and legal equality.
Continue ReadingJohn W. Geary
16th Governor of Pennsylvania
Born
December 30th, 1819 206 years ago
Died
1873 153 years ago — 54 years old
Elected as the 16th Governor of Pennsylvania, serving from 1867 to 1873. Prior to his governorship, managed the Pennsylvania Railroad and held various military ranks during significant conflicts, including the Mexican-American War and the American Civil War. Involved in Republican Party politics and played a role in the post-war reconstruction efforts in Pennsylvania.
Continue ReadingYvonne Brill
Engineer known for propulsion systems
Born
December 30th, 1924 101 years ago
Died
March 27th, 2013 13 years ago — 88 years old
Canadian-American scientist and engineer specialized in rocket propulsion systems. Developed advanced techniques for satellite propulsion. Contributed to the design of the propulsion system for the Mariner 2 spacecraft, which successfully flew by Venus in 1962. Worked with various aerospace organizations including NASA and was awarded the National Medal of Technology and Innovation for contributions to the field. Actively mentored young engineers and promoted women in science and engineering throughout her career.
Continue ReadingAdolfo Ruiz Cortines
47th President of Mexico
Born
December 30th, 1890 135 years ago
Died
December 3rd, 1973 52 years ago — 82 years old
Served as the 47th President of Mexico from 1952 to 1958. Before presidency, participated in the Mexican Revolution and served in various political roles, including Secretary of the Interior. Implemented policies focused on economic development, education, and social welfare. His administration is marked by efforts to stabilize the economy and modifications in labor rights.
Continue ReadingJohn Milne
Seismologist and geologist of Japan
Born
December 30th, 1849 176 years ago
Died
July 31st, 1913 112 years ago — 63 years old
An English seismologist and geologist contributed extensively to the understanding of earthquakes. Developed the first true seismometer, enabling accurate earthquake detection. Played a crucial role in founding the Seismological Society of Japan and significantly advanced the study of seismic waves in the late 19th century. Conducted research that laid the groundwork for future seismic engineering. His work established a framework for earthquake safety measures in Japan, a country prone to seismic activity.
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