A detailed biography telling not only their story but their ancestors going back to the 19th century detailing the complicated history of Jews in Eastern Europe.
Of all the rabbinical injunctions, the most enduring and 
distinctive is Zakhor! - Remember! 
We acknowledge readily enough our duties to our 
contemporaries; but what of our obligations to those who came 
before us? We talk glibly of what we owe the future - but what 
of our debt to the past? 
"The Memory Chalet" 
Tony Judt 
We cannot draw the lines between too much and too little 
historical research, for we have no halakhah beyond ourselves. 
If this be ...