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André Cailleux
André de Cayeux de Senarpont (known as André Cailleux, 24 December 1907 – 27 December 1986) was a French paleontologist and geologistVerger, Fernand. (1987). ''André Cailleux (1907-1986).'' '' Annales de Géographie'' 96 (537): 601-604. known for being a pioneer in planetary geology. Career He was born in Paris, France. After earning his Ph.D. in 1942, he became a specialist in glacial and periglacial morphology. His studies of terrestrial geology spanned the globe: he participated in missions to America, Greenland, Poland, Guyana, Mauritania, the Sahara and the Antarctic. In 1960, he represented the French government on an American polar expedition to Antarctica. Early in his career, his interest in the application of mathematics to his fields of study, especially that of planetology, led him to the observatory of Paris-Meudon. He suggested and started applying geological science to planetary bodies other than the Earth as early as 1948, studying and publishing on the g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paris
Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of cities in the European Union by population within city limits, fourth-most populous city in the European Union and the List of cities proper by population density, 30th most densely populated city in the world in 2022. Since the 17th century, Paris has been one of the world's major centres of finance, diplomacy, commerce, culture, Fashion capital, fashion, and gastronomy. Because of its leading role in the French art, arts and Science and technology in France, sciences and its early adoption of extensive street lighting, Paris became known as the City of Light in the 19th century. The City of Paris is the centre of the Île-de-France region, or Paris Region, with an official estimated population of 12,271,794 inhabitants in January 2023, or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sahara
The Sahara (, ) is a desert spanning across North Africa. With an area of , it is the largest hot desert in the world and the list of deserts by area, third-largest desert overall, smaller only than the deserts of Antarctica and the northern Arctic. The name "Sahara" is derived from , a broken plural form of ( ), meaning "desert". The desert covers much of North Africa, excluding the fertile region on the Mediterranean Sea coast, the Atlas Mountains of the Maghreb, and the Nile, Nile Valley in Egypt and the Sudan. It stretches from the Red Sea in the east and the Mediterranean in the north to the Atlantic Ocean in the west, where the landscape gradually changes from desert to coastal plains. To the south it is bounded by the Sahel, a belt of Tropical and subtropical grasslands, savannas, and shrublands, semi-arid tropical savanna around the Niger River valley and the Sudan (region), Sudan region of sub-Saharan Africa. The Sahara can be divided into several regions, including ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Laetitia Garriott De Cayeux
Laetitia Garriott de Cayeux (née Pichot; born February 4, 1978) is an American entrepreneur and business executive. She is the founder and managing partner of Global Space Ventures, a venture capital firm, serves on the United States Department of Defense Defense Science Board, and was the president and chief operating officer of Escape Dynamics. Early life and education Born in Angers, France, de Cayeux grew up between France and Hong Kong. Her mother died when she was 7 years old. After graduating high school at 17, she won an international competition and was selected to travel to Japan to represent her native country of France at the GII Junior Summit (one of the first global conferences on the internet). She moved to the United Kingdom in 1999 at age 21, and then in 2002 to the United States. De Cayeux holds an MBA from ESSEC in France and an MBA from Harvard Business School. Career Business career In 1998, while still a student at ESSEC, de Cayeux worked in China on Asi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
