An early pioneer of radio astronomy was Grote Reber, an amateur astronomer who constructed the first purpose built radio telescope in the late 1930s to follow up on the discovery of radio wavelength emissions from space by Karl Jansky.

In the late 1990s, an amateur cartoonist named Karl Hörnell began submitting a comic strip parodying both Dilbert and the Image Comics series The Savage Dragon to Dragon creator Erik Larsen.

" Cozy mysteries " began in the late 20th century as a reinvention of the Golden Age whodunnit ; these novels generally shy away from violence and suspense and frequently feature female amateur detectives.

Experiments with color films were made as early as the late 19th century, but practical color film was not commercially viable until 1908, and for amateur use when Kodak introduced Kodachrome for 16 mm in 1935 and 8 mm in 1936.

In the late 1800s, amateur microscopy became a popular hobby in the United States and Europe.

Following the establishment of a definition for an amateur athlete at the 1894 Congress, he would continue to argue that this definition should be amended as necessary, and as late as 1909 would argue that the Olympic movement should develop its definition of amateurism gradually.

A bookish and intellectual child, he was also a fan of boxing and spent some time in his late teens bodybuilding, eventually taking up amateur boxing himself.

By the late 1950s, new organizations focused on amateur radioteletype started to appear.

During most of the late 1930s and early 1940s Milligan performed as an amateur jazz vocalist and trumpeter before, during and after being called up for military service in the fight against Nazi Germany, but even then he wrote and performed comedy sketches as part of concerts to entertain troops.

A late entry by amateur architect William Thornton was submitted on January 31, 1793, to much praise for its " Grandeur, Simplicity, and Beauty " by Washington, along with praise from Jefferson.

Until the 1970s, literary critics dismissed Thoreau's late pursuits as amateur science and philosophy.

The amateur sports movement in the late 19th century marginalised competitions based on the professional, gambling model.

In late 1995, he appeared in Devious, an amateur video drama set between the second Doctor's trial at the end of The War Games and before the start of Spearhead From Space, which shows an interim ( between second and third ) Doctor played by Tony Garner being told he was " never meant to be the Doctor " and that the third, played by Jon, will complete him.

Cassette culture, or the cassette underground, refers to the practices surrounding amateur production and distribution of recorded music that emerged in the late 1970s via home-made audio cassettes.

The team received attention when it chose teal as its primary color, setting off a sports fashion craze in the late 1980s and early 1990s, with many pro and amateur clubs soon following with teal in their color schemes.

The original format for magnetic tape sound reproduction was the reel-to-reel tape recorder, first available in the U. S. in the late 1940s but too expensive and bulky to be practical for amateur home use until well into the 1950s.

Cabot boasts a movie theater and larger city library built in the late 1990s, plus a growing number of restaurants, amateur sporting venues and community organizations.

He put together a string of 30 straight competitive amateur victories in the late 70s, mostly in his home state Florida, culminating in a win at the Oceanside Nationals in June, 1979.

What came to be known as the " MJ-12 papers " – detailing a secret UFO committee allegedly involving Vannevar Bush – first appeared on a roll of film in late 1984 in the mailbox of television documentary producer ( and amateur ufologist ) Jaime Shandera.

The first songs traditionally referred to as bard songs are thought to be written in late 1930s and early 1940s, and the very existence of the genre is traditionally originated from the amateur activities of the Soviet intelligentsia, namely mass backpacking movement and the students ' song movement of 1950s and 1960s.

The Electro-Theremin, often called the Tannerin, is an electronic musical instrument developed by trombonist Paul Tanner and amateur inventor Bob Whitsell in the late 1950s to produce a sound to mimic that of the theremin.

Subsidy republication as late as 1995 by Pyrotek Inc., an amateur rocketry supply house.

After over half a century of amateurism, the amateur status of the sport began to be displaced by growing professionalism in the late 1970s.

Sometime late in 1915 or in 1916 he proposed to the company's president, Edward J. Nally, that the company develop a " Radio Music Box " for the " amateur " market of radio enthusiasts.

After an amateur career where he won various titles, he turned professional in the late 1970s, and has boxed the likes of Robin Blake, former world champion Roger Mayweather, Hector Macho Camacho and Carlos Bolillo Gonzalez, the last two of which Baltazar fought for world titles.

He changed his surname from Einstein ( to avoid confusion with the famous physicist ) and began a comedy career that quickly made him a regular on variety and talk shows during the late 1960s and early 1970s.

As late as 1953 – just five years before Carey introduced the theory of plate tectonics – the theory of continental drift was rejected by the physicist Scheiddiger on the following grounds.

Bowie portrayed physicist Nikola Tesla in the Christopher Nolan film, The Prestige ( 2006 ), which was about the bitter rivalry between two magicians in the late 19th century.

One of the oldest and most commonly used formulations is the " transformation theory " proposed by the late Cambridge theoretical physicist Paul Dirac, which unifies and generalizes the two earliest formulations of quantum mechanics-matrix mechanics ( invented by Werner Heisenberg ) and wave mechanics ( invented by Erwin Schrödinger ).

It was formulated in late 1925, and published in 1926, by the Austrian physicist Erwin Schrödinger.

In late 1998, Polish physicist Robert Smolańczuk published calculations on the fusion of atomic nuclei towards the synthesis of superheavy atoms, including ununoctium.

It was invented for use in electromagnetism by British physicist John Ambrose Fleming in the late 19th century.

* Tom Elliott ( Charles Thomas Elliott ), physicist, at RRE from late 1960s through transition to DERA.

In the late eighteenth century, the Italian physician and physicist Luigi Galvani first recorded the phenomenon while dissecting a frog at a table where he had been conducting experiments with static electricity.

In the late 1930s the Swiss physicist Walter Jaeger tried to invent a sensor for poison gas.

As late as 1993 political analysts saw Akayev as a " prodemocratic physicist.

In the late 1980s, Kyzyl was visited by Ralph Leighton, who had made it a quest to reach Tuva with his friend, the Nobel Prize-winning physicist Richard Feynman.

He is not to be confused with the late physicist David J. Griffiths of Oregon State University.

In the late 18th century, reactionary conspiracy theorists, such as Scottish physicist John Robison and French Jesuit priest Augustin Barruel, began speculating that the Illuminati survived their suppression and became the masterminds behind the French Revolution and the Reign of Terror.

late 20th century ) is a physicist best known in regard to discoveries leading to the development of rare gas halide excimer lasers.

From the late 17th century onward, thermodynamics was developed by physicist and chemist Boyle, Young, and many others.

The telestrator was invented by physicist Leonard Reiffel, who used it to draw illustrations on a series of science shows he did for public television's WTTW-ch11 in Chicago in the late 1950s.

One American who fell victim to the Jewish quota was late physicist and Nobel laureate Richard P. Feynman, who was turned away from Columbia College in the 1930s and went to MIT instead.

Kai Lee, notable Princeton physicist, expanded upon the approach in the late 1970s and early 1980s while pursuing a post-doctorate degree at UC Berkeley.

Heim theory is a physics theory, initially proposed by a German physicist, the late Burkhard Heim, that attempts to develop a theory of everything.

The walking frame was based on the KHR-3 HUBO, while the head was an exact recreation of the late physicist, Albert Einstein.

In physics, a time projection chamber ( or TPC ) is a particle detector invented by David R. Nygren, an American physicist, at Lawrence Berkeley Laboratory in the late 1970s.

Established in 2006 in memory of the late Welsh physicist Sir Gareth Roberts who assisted and led in the polytechnic, four academically talented freshmen with good leadership skills can receive this bond-free scholarship which covers tuition fees, a notebook allowance as well as the cost of any talent development programmes, as well as an opportunity to participate in the Christieara Programme.

It was invented in the late 1890s by Charles Édouard Guillaume, a Swiss physicist who also invented Invar, another alloy of nickel and iron, which has very low thermal expansion.