Leszek Cichy is a Polish mountaineer

Mountaineer

-Sports:*Mountaineering, the sport, hobby or profession of walking, hiking, trekking and climbing up mountains, also known as alpinism-University athletic teams and mascots:*Appalachian State Mountaineers, the athletic teams of Appalachian State University...

, geodesist, financier

Financier

Financier is a term for a person who handles typically large sums of money, usually involving money lending, financing projects, large-scale investing, or large-scale money management. The term is French, and derives from finance or payment...

, and entrepreneur

Entrepreneur

An entrepreneur is an owner or manager of a business enterprise who makes money through risk and initiative.The term was originally a loanword from French and was first defined by the Irish-French economist Richard Cantillon. Entrepreneur in English is a term applied to a person who is willing to...

. He was born in Pruszków

Pruszków

Pruszków is a town in central Poland, situated in the Masovian Voivodeship since 1999. It was previously in Warszawa Voivodeship . Pruszków is the capital of Pruszków County, located along the western edge of the Warsaw urban area...

, Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 on November 14, 1951. He is best known for making the first winter ascent of Mount Everest

Mount Everest

Mount Everest is the world's highest mountain, with a peak at above sea level. It is located in the Mahalangur section of the Himalayas. The international boundary runs across the precise summit point...

 together with Krzysztof Wielicki

Krzysztof Wielicki

Krzysztof Wielicki is a Polish retired alpine and high-altitude climber. He is the fifth man to climb all fourteen eight-thousanders and the first ever to climb Mount Everest, Kangchenjunga, and Lhotse in the winter. He is a member of The Explorers Club...

 in 1980 which established the winter ascent record of 8,848 meters. He was also the first Polish climber to complete the Seven Summits

Seven Summits

The Seven Summits are the highest mountains of each of the seven continents. Summiting all of them is regarded as a mountaineering challenge, first postulated as such and achieved on April 30, 1985 by Richard Bass .-Definition:...

and a number of other prestigious climbs.