D. Goel pkl. morning 9AM,Monday, October 15, 2012. It is great pleasure to hear of these dedicated Research scientists in different fields, living and working together at Harvard , seeking the limits of Knowledge, One queries, if they too like Late Savant Prof S. ChandraShekhar andhis spouse decided not to have any child ..If this isso it isaloss to Mankind that gifted p spouses refuse to have babies ,not to be distracted from their pursuit. No , they are too severely restricted.D. Goel