Possible Clues:

• Scientist working with enzymes
• Scientist's obit chimes with organisation
• Scientist initially bringing mice to his complex?
• A studier of living organisms
• Life scientist has come with his bit prepared
• Person knee-deep in formulas
• No shortened undergarment is accepted by little scientist
• Scientist
• Asimov, per his doctorate
• Science student Monbiot, losing a day, keeps nearly the whole shift