mol bio scientists

Erwin Chargaff

Chargaff's first parity rule: %A=%T and %G=%C

Rosalind Franklin and Raymond Gosling

photo 51 (x ray crystallography of DNA)

James Watson and Francis Crick

DNA double helix model

A van Leewenhoek

"Father of microscopy"; discovered bacteria, protozoa, capillaries

Theodor Svedberg

Svedberg unit measures the sedimentation rate in density gradient velocity centrifugation - sedimentation unit/sedimentation coefficient (S)

Christopher woodcock and Ada and Don olins

first electron micrographs of nucleosomes and linker DNA (exp 1, used TEM)

Charles F de cisternay du fay

discovered positive and negative charge

meselson and stahl

semi-conservative DNA replication

Reiji Okazaki

discovered Okazaki fragments

sir john gurdon

cloning of a frog (nobel laureate) - put adult chromosomes in egg cells