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Alexander Graham Bell (/ ˈ ɡ r eɪ. ə m /, born Alexander Bell; March 3, 1847 – August 2, 1922) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist, and engineer who is credited with patenting the first practical telephone.
The World Health Organization (WHO) is a specialized agency of the United Nations responsible for global public health. [2] It is headquartered in Geneva, Switzerland, and has six regional offices [3] and 150 field offices worldwide.
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 December 2024. Technical and legal issues surrounding the development of the modern telephone For broader coverage of this topic, see History of the telephone. Replica of Antonio Meucci's telettrofono Reis's telephone The invention of the telephone was the culmination of work done by more than one ...
World Health Day is a global health awareness day celebrated every year on 7 April, under the sponsorship of the World Health Organization (WHO), as well as other related organizations.
Edison in 1861. Thomas Edison was born in 1847 in Milan, Ohio, but grew up in Port Huron, Michigan, after the family moved there in 1854. [8] He was the seventh and last child of Samuel Ogden Edison Jr. (1804–1896, born in Marshalltown, Nova Scotia) and Nancy Matthews Elliott (1810–1871, born in Chenango County, New York).
A man talks on his mobile phone while standing near a conventional telephone box, which stands empty. Enabling technology for mobile phones was first developed in the 1940s but it was not until the mid-1980s that they became widely available.
Terawan Agus Putranto (born 5 August 1964) [1] is an Indonesian physician who served as the Minister of Health of Indonesia between 23 October 2019 [2] and 23 December 2020. He graduated from the Faculty of Medicine of Gajah Mada University and then joined the Indonesian Army as a military physician.
Maria Trubnikova (6 January 1835 – 28 April 1897) was a Russian feminist and activist. From a wealthy family, she was orphaned at a young age and raised by her aunt. She married Konstantin Trubnikov at the age of 19; they had seven childr