I will tell you robin warrens but I'm not to sure about Barry Marshall, robin warren was a pathologist, physician and scientist interested in all areas of medicine.
Invent mean that you make the object all by yourself without anyone knowing it, but discover means that someone already made that object but you just find without anyone knowing it.
she invented medicine or you can she discovered it
Zacharias Janssen was the first person to invent the optical telescope. He is also known as the inventor of the compound microscope.
Science is a body of knowledge and it is the process to unearth new knowledge example to discover invent explore new things
Barry Marshall was born on September 30, 1951.
Barry Marshall was born on September 30, 1951.
Barry Marshall is 59 years old (birthdate: September 30, 1951).
He didn't invent anything
You do not discover an invention, you invent it.
Barry Marshall
invent
They could be synonyms, although they differ in their context meaning.(You discover what is there, and invent what is not there already.)
Barry J. Marshall won The Nobel Prize in Physiology or Medicine in 2005.
He didn't discover anything Or invent anything. Correction he did discover something he discovered how to annoy people. Yes. He did.
Invent no, discover yes
we can invent a new things by discovering whatever we see. If we want to invent a robot animal , we should discover the animals whatever we need to invent. For example; if we want to invent a robot grass hopper we should discover the insect.