Other ‘planet rulers’, who may or may not have extended their services beyond astrology and herbalism were James Trenham and Alfred Broughton.

In the past, women who did not experience orgasm were called frigid. This term is no longer used because it implies that the woman is at fault. Instead, the term preorgasmic has been substituted, since most women can be taught to become orgasmic.

Studies of the viable blood cells with phase contrast microscopy showed peculiar cells that had numerous short villi and were arbitrarily called “hairy cells.”

Now we are liberal with our innermost secrets, spraying them into the public ether with a generosity our forebears could not have imagined. Where we once sent love letters in a sealed envelope, or stuck photographs of our children in a family album, now such private material is despatched to servers and clouds operated by people we don't know and will never meet.