Click on a type of temperament (meantone, modified meantone, well, 
victorian well, quasi-equal, or equal).

The temperament dates and detailed temperament information are drawn 
primarily from Jorgensen's tome, Tuning. The composer dates were quickly 
abstracted from Classical Net's Timeline of Composers
Consider two aspects of this: 
(1) What temperament would the composers have heard when they were children? 
(2) What temperament would they have had their keyboards tuned to?