Laura

- MacAlpine's Drug Store Co. This Picture that is shown is an example of a drug store back in the 1930's

**__Doctors__** -Dr. B. G. Weathers, Sr.

Dr. B. G. Weathers, Sr. was a doctor back in 1949 and he was named Gaston County's "Country Doctor" of the year by the Gaston County Medical Society. In an interview with the Gastonia Gazette, Dr. Weathers was quoted as saying, "I made up my mind to be a country doctor. That is what I wanted when I started out and I've never changed my mind."

**__Cough Drops__** Halls were first made in the 1930s in Britain by the Halls Brothers company.

**__1930's Advances__** -In 1935 First vaccine for yellow fever. -In 1935 [|Dr. John H. Gibbon, Jr] successfully uses a heart-lung machine for extracorporeal circulation of a cat ,all the heart and lung functions are handled by the machine while surgery is performed. -In 1937 First vaccine for typhus. -In 1937 Bernard Fantus starts the first blood bank  at Cook County Hospital in Chicago, using a 2% solution of sodium citrate to preserve the blood. Refrigerated blood lasts ten days.

__** 1940's Advances **__ -In 1943 Microbiologist Selman A. Waksman discovers the antibiotic streptomycin, later used in the treatment of tuberculosis and other diseases. -In 1945 First vaccine for influenza.

__** 1950's Advances **__ -In 1952 Paul Zoll develops the first cardiac pacemaker to control irregular heartbeat. -In 1953 [|James Watson] and [|Francis Crick] at Cambridge University describe the structure of the DNA molecule. Maurice Wilkins and Rosalind Franklin at King's College in London are also studying DNA. -In 1954 [|Dr. Joseph E. Murray] performs the first kidney transplant between identical twins. -In 1955 [|Jonas Sal]k develops the first polio. -In 1957 Dr. Willem Kolff and Dr. Tetsuzo Akutzu implant the first artificial heart in a dog. The animal survives 90 minutes.