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Dr Archibald Edward Garrod    



Dr Archibald Garrod was the first to connect a human disorder with Mendel laws of inheritance. He also proposed the idea that diseases came about through a metabolic route leading to the molecular basis of inheritance
Dr Archibald Garrod was the son of the physician, Alfred Baring Garrod, who diagnosed and studied rheumatoid arthritis. Although his father initially intended for Archibald to study business, his teachers recognized and encouraged him to go into the field of science and medicine. Dr Garrod studied medicine at Oxford University and became a physician
Dr Garrod was studying the human disorder alkaptonuria. He collected family history information (as well as urine) from his patients. Based on discussions with Mendel advocate William Bateson, Dr Garrod deduced that alkaptonuria is a recessive disorder. In 1902,Dr Garrod published a book called The Incidence of Alkaptonuria: a Study in Chemical Individuality. This is the first published account of a case of recessive inheritance in humans.

Dr Garrod was also the first to propose the idea that diseases were "inborn errors of metabolism." He believed that diseases were the result of missing or false steps in the body chemical pathways. In 1923, his studies on alkaptonuria, cystinuria, pentosuria, and albinism were published as a book: Inborn Errors of Metabolism.Dr Garrod attributed a biochemical role to genes, and laid the groundwork for the next wave of discovery — the molecular basis of inheritance.
Source=http://www.dnaftb.org/13/bio.html

Robert Guthrie   08/06/2020

Dr. Guthrie was born in Marionville, MO, in 1916. He grew up in Minnesota, where he earned his medical degree in 1942 and his PhD in bacteriology in 1946 at the University of Minnesota. For the first 12 years of Dr. Guthrie’s career, he was a principal cancer scientist at the Roswell Park Cancer Institute in Buffalo, NY. During this time, Dr. Guthrie’s second son John was born mentally handicapped (1947) and his 15-month-old niece was diagnosed with PKU (1958). By Dr. Guthrie’s own account, it was the birth of his second son John that motivated him to pursue research aimed at preventing mental retardation and developmental disabilities. It was the birth of his niece that brought to his attention the treatable causes of mental retardation.

https://academic.oup.com/labmed/article/40/12/748/2588794

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