Abraham Robinson was a mathematician who is most widely known for development of non-standard analysis, a mathematically rigorous system whereby infinitesimal and infinite numbers were reincorporated into modern mathematics. source
What's really cool about our family is that we don't hold grudges, and I think that is what's been the key to the success. We get into our little disagreements, and whether we're right or wrong, we'll go and apologize. That's just the way we are.