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Ernst Haeckel (1834–1919) — physician and anatomist; William Harvey (1578–1657) — English physician, described the circulatory system; Henry Heimlich (1920–2016) — inventor of the Heimlich maneuver and the Vietnam War-era chest drain valve; Orvan Hess (1906–2002) — fetal heart monitor and first successful use of penicillin
List of countries by physicians per 10,000 people [1] Country Physicians per 10,000 people Year Afghanistan: 2.535 2020 Albania: 18.826 2020 Algeria: 9.868 2019 Andorra: 36.262 2015 Angola: 2.443 2022 Anguilla: 15.132 2018 Antigua and Barbuda: 28.979 2017 Argentina: 40.818 2022 Armenia: 31.174 2019 Australia: 39.812 2021 Austria: 55.083 2022
World population pyramid from 1950 to projected in 2100 (UN, World Population Prospects 2017) A population pyramid (age structure diagram) or "age-sex pyramid" is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing. [1]
Maimonides was influenced by Galen, whom he cited most often in his medical works, and whom he considered to be the greatest physician of all time. [91] [92] In India many Hindu physicians studied Persian and Urdu languages and learnt Galenic medicine. This trend of studies among Hindu physicians began in the 17th century and lasted until the ...
Graph of world population over the past 12,000 years . As a general rule, the confidence of estimates on historical world population decreases for the more distant past. Robust population data exist only for the last two or three centuries. Until the late 18th century, few governments had ever performed an accurate census.
Here are the best movie heroes of all time, ranked. There have been all types of heroes who have appeared on the big screen: antiheroes, superheroes, and true-life heroes. What they all have in ...
This is a list of countries ranked by the quality of healthcare, as published by the Organisation for Economic Co-operation and Development (). [1] The ranking takes into account various health outcomes, including survival rates for seven types of cancer, as well as for strokes and heart attacks.
Hugh Hefner, the man who created a magazine empire, died Wednesday at the age of 91. His legacy includes some of the most famous Playboy playmates ever to grace the cover and go one to become ...