Heart disease resulting from a lung (pulmonary) disorder. A complication of lung disorders where the blood flow ... more 1  Â». Pulmonary heart disease: Heart disease that is caused by pulmonary conditions.
DNA was first isolated by Friedrich Miescher in 1869. Its molecular structure was identified by James Watson and Francis Crick in 1953, whose model-building efforts were guided by X-ray diffraction data acquired by Rosalind Franklin.
Simple Answer: James Watson and Francis Crick are credited with the first correct double-helix model of DNA structure published in 1953 in the journal Nature. More Complicat â¦ ed: Credit for the research leading to the discovery of the structure of DNA is controversial.