Invention and Inventor Quiz

American biologist James Watson and English physicist Francis Crick discovered DNA in 1953. Watson co-authored with Francis Crick the academic paper proposing the double helix, the twisted-ladder structure of deoxyribonucleic acid (DNA) molecule.

Edward Jenner (1749-1823) was an English physician and scientist who pioneered the concept of vaccines including creating the smallpox vaccine, the world's first vaccine. The basis for vaccination began in 1796 when He noticed that milkmaids who had gotten cowpox were protected from smallpox.

Antonie Philips van Leeuwenhoek is commonly known as the father of microbiology and one of the first microscopists and microbiologists. He discovered bacteria in 1676.

Edward Jenner was an English physician and scientist who pioneered the concept of vaccines including creating the smallpox vaccine, the world's first vaccine. The basis for vaccination began in 1796 when He noticed that milkmaids who had gotten cowpox were protected from smallpox.

A mobile phone or Cellular Phone is invented by American engineer Martin Cooper in 1973. He is considered the “father of cellular phone” and is also cited as the first person in history to make a handheld cellular phone call in public.

The Principles of Biology by Herbert Spencer (1864) looked at biology in terms of themes, such as Function, Adaptation and Variation. In this book Spencer introduced the expression 'survival of the fittest', in the sense of 'the most appropriate to its environment'.

Zero is an important invention of India. It may have been invented by either Aryabhata or Brahmagupta. The first modern equivalent of numeral zero comes from a Hindu astronomer and mathematician Brahmagupta (590-668 AD) in 628 AD. Brahmagupta was the first to give rules to compute with zero. Aryabhatta (598-665 AD) a great mathematician and an astronomer used zero in the decimal system.

Sir James Young Simpson discovered the anesthetic properties of chloroform and pioneered its application in surgery and midwifery. The first narcosis with chloroform was performed by Simpson on himself on November 4, 1847.

The videotape recorder was invented by Charles Ginsberg in 1951. In 1953, Dr. Norikazu Sawazaki developed a prototype helical scan videotape recorder. Videotape is magnetic tape used for storing video and usually sound in addition.

Gunpowder was originally developed by the Taoists (China) for medicinal purposes. It was first used for warfare around 904 AD. Roger Bacon (1220-1292) was the first to describe in detail the process of making gunpowder, and he proposed flying machines and motorized ships and carriages.