Information taken Black Inventor
Marjorie Stewart Joyner was born in Monterey, Virginia on October 24, 1896, the granddaughter of a slave and a slave-owner. In 1912, an eager Marjorie moved to Chicago, Illinois to pursue a career in cosmetology. She enrolled in the A.B. Molar Beauty School and in 1916 became the first Black women to graduate from the school. Following graduation, the 20 year old married podiatrist Robert E. Joyner and opened a beauty salon.
A dilemma existed for Black women in the 1920′s. In order to straighten tightly-curled hair, they could so so only by using a stove-heated curling iron. This was very time-consuming and frustrating as only one iron could be used at a time. In 1926, Joyner set out to make this process faster, easier and more efficient. She imagined that if a number of curling irons could be arranged above a women’s head, they could work at the same time to straighten her hair all at once. According to the Smithsonian Institute, Joyner remembered that “It all came to me in the kitchen when I was making a pot roast one day, looking at these long, thin rods that held the pot roast together and heated it up from the inside. I figured you could use them like hair rollers, then heat them up to cook a permanent curl into the hair.” Thus, she sought a solution to not only straighten but also provide a curl in a convenient manner.
Joyner developed her concept by connecting 16 rods to a single electric cord inside of a standard drying hood. A women would thus wear the hood for the prescribed period of time and her hair would be straightened or curled. After two years Joyner completed her invention and patented it in 1928, calling it the “Permanent Waving Machine.” She thus became the first Black woman to receive a patent and her device enjoyed enormous and immediate success. It performed even better than anticipated as the curl that it added would often stay in place for several days, whereas curls from standard curling iron would generally last only one day.
In addition to the success found in Madame Walker’s salons, the device was a hit in white salons as well, allowing white patrons to enjoy the beauty of their “permanent curl” or “perm” for days. Although popular, the process could be painful as well, so Marjorie patented a scalp protector that could be used to make the experience more pleasant. This too proved to be a major success. Despite her accomplishments and success, Marjorie received none of the proceeds of her inventions as the patents were created within the scope of her employment with Madame Walker’s company, which therefore received all patent rights and royalties. Undeterred,in 1945 Joyner co-founded the United Beauty School Owners and Teachers Association along with Mary Bethune McLeod. She tirelessly helped to raise money for Black colleges and founded the Alpha Chi Pi Omega Sorority and Fraternity in an effort to raise professional standards for beauticians. In 1973, at the age of 77, she was awarded a bachelor’s degree in psychology from Bethune-Cookman College in Daytona Beach, Florida.
Marjorie Joyner died on December 7, 1994 at the age of 98. She left behind her a legacy of creativity, ingenuity and selflessness that served to inspire many generations.
Andre Reboucas was born in 1838 in Rio de Janeiro, Brazil. He was trained at the Military School of Rio de Janeiro and became an engineer after studying in Europe. After returning to Brazil, Reboucas was named a lieutenant in the engineering corps in the 1864 Paraguayan War. During the war, as naval vessels became more and more integral, Reboucas designed an immersible device which could be projected underwater, causing an explosion with any ship it hit. The device became known as the torpedo.
In 1935, Benjamin Thornton created a device that could be attached to a telephone and could be set to record a voice message from a caller. By utilizing a clock attachment, the machine could also forward the messages as well as keep track of the time they were made.
This device was the predecessor of today’s answering machine.
John Love – Many patents are developed in response to the frustration involved in having to perform a repetitive task in order to complete a more important one. For John L. Love, this repetitive task was having to stop writing notes or letters in able to pull out his knife to whittle his pencil down to a point again.
On November 23, 1897, Love patented the pencil sharpener which called for a user to turn a crank and rotor off thin slices of wood from the pencil until a point was formed
Four years earlier, Love created and patented his Plasterer’s Hawk. This device, a flat square piece of board made of wood or metal, upon which plaster or mortar was placed and then spread by plasterers or masons. This device was patented on July 9, 1895.
Richards Spikes – Inventors often toil for their entire lifetimes creating devices which have beneficial effects on society for years – yet that inventor might gain recognition only after he or she has passed away. For others, even after they have gone, recognition is slow in coming despite their great contributions. Richard Spikes is such a person.
Little has been written about Richard Spikes in terms of his childhood, education and personal life. What is known is that he was an incredible inventor and the proof of this is in the incredibly diverse number of creations that have had a major impact on the lives of everyday citizens.
Over the course of his lifetime, Spikes developed the following inventions or innovations:
- railroad semaphore (1906)
- automatic car washer (1913)
- automobile directional signals (1913)
- beer keg tap (1910)
- self-locking rack for billiard cues (1910)
- continuous contact trolley pole (1919)
- combination milk bottle opener and cover (1926)
- method and apparatus for obtaining average samples and temperature of tank liquids (1931)
- automatic gear shift (1932)
- transmission and shifting thereof (1933)
- automatic shoe shine chair (1939)
- multiple barrel machine gun (1940)
- horizontally swinging barber chair (1950)
- automatic safety brake (1962)
Spikes inventions were welcome to major companies. His beer keg tap was purchased by Milwaukee Brewing Company and the automobile directional signals which were first introduced in the Pierce Arrow, soon became standard in all automobiles. For his innovative designs of transmission and gear-shifting devices, Spikes received over $100,000.00 – an enormous sum for a Black man in the 1930s.
By the time he was creating the automatic safety brake in 1962, Spikes was losing his vision. In order to complete the device, he first created a drafting machine for blind designers – by the time his braking device was completed, he was deemed legally blind. The device would soon be found in almost every school bus in the nation.
Richard Spikes died in 1962 but left behind a lifetime of achievement that few could parallel.
Robert Pelham was born in January of 1859 in Petersburg, Virginia. His parents, Robert and Frances Pelham, moved the family to Detroit, Michigan in hopes of finding a more favorable atmosphere for their children to receive an education and opportunities for decent employment. While enrolled in public schools, Pelham was hired by a newspaper called the Daily Post, working under Zachariah Chandler, who trained him in the skills of journalism. He remained with the paper for 20 years while at the same time managing a Black weekly newspaper called the Detroit Plaindealer.
At the Census Department, a clerk had to manually paste statistical slips onto sheets and organized appropriately. The process was messy and required many employees to carry it out. Pelham devised a method for automating the pasting process and set out to create a device that could accomplish it. Starting with a rolling pin, cigar boxes, wooden screws and other miscellaneous items, Pelham developed a working model which he put into effect. The apparatus would go on to save the Department more than $3,000.00 He continued working for the Census Bureau for 30 years, and during that time patented two items – the tabulation device in 1905 and a tallying machine in 1913.
After retiring from the Census Bureau, he began editing a Black newspaper called the Washington Tribune, and later created the Capital News Services, a news agency devoted to Black issues of the day. In June of 1943 Robert Pelham died leaving behind him a list of accomplishments.
As a child, Valerie Thomas became fascinated with the mysteries of technology, tinkering with electronics with her father and reading books on electronics written for adolescent boys. The likelihood of her enjoying a career in science seemed bleak, as her all-girls high school did not push her to take advanced science or math classes or encourage her in that direction. Nonetheless, her curiosity was piqued and upon her graduation from high school, she set out on the path to become a scientist.
In 1977 she began experimenting with flat mirrors and concave mirrors. Flat mirrors, of course, provide a reflection of an object which appear to lie behind the glass surface. A concave mirror, on the other hand, presents a reflection that appears to exist in front of the glass, thereby providing the illusion that they exist in a three-dimensional manner. Thomas believed that images, presented in this way could provide a more accurate, if not more interesting, manner of representing video data. She not only viewed the process as a potential breakthrough for commercial television, but also as scientific tool for NASA and its image delivery system.
Thomas applied for a patent for her process on December 28, 1978 and the patent was issued on October 21, 1980. The invention was similar to the technique of holographic production of image recording which uses coherent radiation and employs front wave reconstruction techniques which render the process unfeasible due to the enormous expense and complicated setup. Parabolic mirrors, however, can render these optical illusions with the use use of a concave mirror near the subject image and a second concave mirror at a remote site. In the description of her patent, the process is explained. “Optical illusions may be produced by parabolic mirrors wherein such images produced thereby are possessed with three dimensional attributes. The optical effect may be explained by the fact that the human eyes see an object from two view points separated laterally by about six centimeters. The two views show slightly different spatial relationships between near and near distant objects and the visual process fuses these stereoscopic views to a single three dimensional impression. The same parallax view of an object may be experienced upon reflection of an object seen from a concave mirror.” (http://www.freepatentsonline.com/4229761.html). The Illusion Transmitter would thus enable the users to render three-dimensional illusions in real-time.
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