David G H Crawford
David G H Crawford, now retired, spent the greater part of his early career trouble-shooting electro-hydraulic plant installations throughout many industries and has a long-standing interest in physics. He decided on his eightiethbirthday, to sit a MENSA test in Nottingham, which he successfully qualified in. David lives in Lincoln, England.
An OTP has been sent to your Registered Email Id:
Resend Verification Code
Hi! I'm Vidya, your virtual assistant.
Need a book recommendation, help with your order or support with any query? I’m here to assist you.
