FYI July 19, 2017

1545 – The Tudor warship Mary Rose sinks off Portsmouth; in 1982 the wreck is salvaged in one of the most complex and expensive projects in the history of maritime archaeology.
The Mary Rose is a carrack-type warship of the English Tudor navy of King Henry VIII. After serving for 33 years in several wars against France, Scotland, and Brittany and after being substantially rebuilt in 1536, she saw her last action on 19 July 1545. While leading the attack on the galleys of a French invasion fleet, she sank in the Solent, the straits north of the Isle of Wight.

The wreck of the Mary Rose was rediscovered in 1971. It was raised in 1982 by the Mary Rose Trust, in one of the most complex and expensive projects in the history of maritime archaeology. The surviving section of the ship and thousands of recovered artefacts are of immeasurable value as a Tudor-era time capsule. The excavation and raising of the Mary Rose was a milestone in the field of maritime archaeology, comparable in complexity and cost only to the raising of the Swedish 17th-century warship Vasa in 1961.

The finds include weapons, sailing equipment, naval supplies and a wide array of objects used by the crew. Many of the artefacts are unique to the Mary Rose and have provided insights into topics ranging from naval warfare to the history of musical instruments. Since the mid-1980s, while undergoing conservation, the remains of the hull have been on display at the Portsmouth Historic Dockyard. An extensive collection of well-preserved artefacts is on display at the nearby Mary Rose Museum, built to display the reconstructed ship and its artefacts.

The Mary Rose was one of the largest ships in the English navy through more than three decades of intermittent war and was one of the earliest examples of a purpose-built sailing warship. She was armed with new types of heavy guns that could fire through the recently invented gun-ports. After being substantially rebuilt in 1536, she was also one of the earliest ships that could fire a broadside, although the line of battle tactics that employed it had not yet been developed. Several theories have sought to explain the demise of the Mary Rose, based on historical records, knowledge of 16th-century shipbuilding, and modern experiments. The precise cause of her sinking is still unclear, because of conflicting testimonies and a lack of conclusive physical evidence.

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1921 – Rosalyn Sussman Yalow, American physicist and academic, Nobel Prize laureate (d. 2011)
Rosalyn Sussman Yalow (July 19, 1921 – May 30, 2011) was an American medical physicist, and a co-winner of the 1977 Nobel Prize in Physiology or Medicine (together with Roger Guillemin and Andrew Schally) for development of the radioimmunoassay (RIA) technique. She was the second American woman to be awarded the Nobel Prize Physiology or Medicine after Gerty Cori.[3]

“I was excited about achieving a career in physics. My family, being more practical, thought the most desirable position for me would be as an elementary school teacher.”
Rosalyn Yalow[4]

She was born in bronx new York, the daughter of Clara (née Zipper) and Simon Sussman. She attended Walton High School.
I was excited about achieving a career in physics. My family, being more practical, thought the most desirable position for me would be as an elementary school teacher.
Rosalyn Yalow[4]

Knowing how to type, she won a part-time position as secretary to Dr. Rudolf Schoenheimer, a leading biochemist at Columbia University’s College of Physicians and Surgeons. Not believing that any good graduate school would admit and provide financial support to a woman, she took a job as a secretary to Michael Heidelberger, another biochemist at Columbia, who hired her on the condition that she studied stenography. She graduated from Hunter College in January 1941.[4]

In mid-February of that aforementioned year she received an offer of a teaching assistantship in physics at the University of Illinois at Urbana-Champaign with the primary reason being that World War II commenced and many men went off to war and the university decided to offer scholarships for women rather than shut down. That summer she took two tuition-free physics courses under government auspices at New York University. At the University of Illinois, she was the only woman among the department’s 400 members, and the first since 1917. She married fellow student Aaron Yalow, the son of a rabbi, in June 1943. They had two children and kept a kosher home.[5] Yalow earned her Ph.D in 1945.[5]

After graduating, Yalow joined the Bronx Veterans Administration Medical Center to help set up its radioisotope service. There she collaborated with Solomon Berson to develop radioimmunoassay (RIA). RIA is a radioisotope tracing technique that allows the measurement of tiny quantities of various biological substances in human blood as well as a multitude of other aqueous fluids.

RIA testing relies on the creation of two reagents. One reagent is a radioactive molecule that is the product of covalently bonding a radioactive isotope atom with a molecule of the target substance (e.g. insulin). The second reagent is an antibody which specifically chemically attaches itself to the target substance when the two are in contact. The initial radioactivity of a mixture of the two reagents is then measured. This radioactive mixture is then added to a measured quantity of fluid (e.g. blood) containing an unknown but usually very low concentration of the target substance. Because the antibodies preferentially attach to non-radioactive molecules, the proportion of radioactive target-antibody links is reduced by an amount proportional to the concentration of the target substance in the fluid. When the final radioactivity of the isolated target-antibody material is measured, the concentration of the target substance (i.e. the amount of insulin in the blood) can be calculated.

Originally used to study insulin levels in diabetes mellitus,[6] the technique has since been applied to hundreds of other substances – including hormones, vitamins and enzymes – all too small to detect previously. Despite its huge commercial potential, Yalow and Berson refused to patent the method.

In 1968, Yalow was appointed Research Professor in the Department of Medicine at Mount Sinai Hospital, where she later became the Solomon Berson Distinguished Professor at Large.[7] Yalow became a distinguished professor at large at the Albert Einstein College of Medicine at Yeshiva University in 1979. In 1981, Yalow became a founding member of the World Cultural Council.[8]

Until the time of her death she continued to reside in the same house in Riverdale that she and her husband purchased after she began working at the Bronx Veterans Administration Medical Center in the 1940s.[9] Her husband, Dr. Aaron Yalow, died in 1992.[10] Rosalyn Yalow died on May 30, 2011, aged 89, in The Bronx from undisclosed causes.[11][12]

Yalow was awarded a Fulbright fellowship to Portugal.[13]

In 1972, Yalow was awarded the William S. Middleton Award for Excellence in Research, the highest honor of the VA Medical Center.[14]

In 1975 Yalow and Berson (who had died in 1972) were awarded the AMA Scientific Achievement Award.[15] The following year she became the first female recipient of the Albert Lasker Award for Basic Medical Research.[16]

In 1977 she received the Nobel Prize, together with Roger Guillemin and Andrew V. Schally for her role in devising the radioimmunoassay (RIA) technique that by measuring substances in the human body, that made possible the screening the blood of donors for such diseases as hepatitis among other uses.[17] In 1977 Yalow received the Nobel prize for the invention she and Berson created. Radioimmunoassay (RIA) can be used to measure a multitude of substances found in tiny quantities in fluids within and outside of organisms (such as viruses, drugs and hormones). The list of current possible uses is endless, but specifically, RIA allows blood-donations to be screened for various types of hepatitis. The technique can also be used to identify hormone-related health problems. Further, RIA can be used to detect in the blood many foreign substances including some cancers. Finally, the technique can be used to measure the effectiveness of dose levels of antibiotics and drugs.[18]

She was elected a Fellow of the American Academy of Arts and Sciences in 1978.[19][20] Yalow received the National Medal of Science in 1988.


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