The worldwide community of quantum computing researchers is probably around a couple thousand. p.s. your namesake is one of them http://arxiv.org/find/quant-ph

The worldwide community of quantum computing researchers is probably around a couple thousand. p.s. your namesake is one of them http://arxiv.org/find/quant-ph/1/au:+Cross_A/0/1/0/all/0/1 http://arxiv.org/find/quant-ph/1/au:+Cross_A/0/1/0/all/0/1