Name the scientist who won twice the Nobel Prize in Physics.

Name the scientist who won two Nobel Prizes.

Name the scientist who was awarded the Nobel Prize for his genetic studies on the linear arrangement of genes on shromosomes in the fruit fly ,drosophila melanogaster

Name the scientist who was awarded the Nobel Prize for his genetic studies on the linear arrangements of genes on chromosomes in the fruit fly, Drosophila melanogaster

Name the scientist who was awarded the Nobel prize for his gentic sutdies on the linear arrangement of genes on the chromosomes in the fruifly , Drosophila melanogaster

Name the scientist who won the Nobel Prize for the development of penicillin.

Name two scientist who won the Nobel prize for the discovery of Helicobacter pylori?