Lightest brain
- Who
- Unknown
- What
- 680 gram(s)
- When
- 1907
The lightest `normal' or non-atrophied brain on record was one weighing 680 g (1 lb 8 oz). It belonged to Daniel Lyon (Ireland), who died aged 46, at New York, USA in 1907. He was just over 1.50 m (5 ft) in height and weighed 66 kg (145 lb).