Related Clues:

• It's nice wandering around in street — one's often stuck in the lab
• One studying nature or physics, say
• Academic, perhaps, where soldiers may take a dip?
• Finally, pleaching a hedge was complicated for intellectual
• Encourage teacher and scholar
• Intellectual, such as ambassador captured by tribe
• The pundit's urge to be in front
• Cracked intellectual!
• Does he crack on with his studies?
• E's a genius!
• Intellectual (sl.)
• An intellectual (inf.)
• Insects, it turned out, his speciality?
• Very clever person
• Encourage leading boffin