If you like stories about people who make better "thought leaders" than "individual contributors", consider also Florence Nightingale, whose hands-on work durin

If you like stories about people who make better "thought leaders" than "individual contributors", consider also Florence Nightingale, whose hands-on work during the Crimean War contributed her hospital's having the the highest death rate of any hospital in the East during the Crimean War. Nevertheless her contributions to modern nursing — largely done from her bed during her 50-year post-war "bedridden period" — are widely accepted as having done a lot of good for the field.