The world has changed a lot in the last 100 years. This also applies to people and their professions. Engineers are using computers now, swimmers are wearing more open suits. These are not the only changes. You can find the others in the photos below:
In skating
A tattoo artist in 1928 and his colleague in 2013
swimmer
Boxing champions
An office worker in the 1930s and today
Archaeologists then and now
A nurse in 1925 and her colleague today
Hollywood star Mary Pickford in 1933 and Angelina Jolie today
Train staff in 1934 and today
Circus artists and 1910 and today
Jewelry workers
Engineers then and now
Air traffic controllers
Photographers then and now
Meteorologists
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