Who was first woman ranked No. 1?

Today’s question: When the WTA women’s tennis rankings first began, who was the first person to become world No. 1 in 1975?

Yesterday’s question and answer: Of all the great nicknames in NBA history this one is perhaps the most unique. Who had the nickname Dr. Dunkenstein? The answer is Darrell Griffith. This is quoted from the Jazz website. The Jazz drafted him with the second pick in the 1980 draft: Griffith, a 6-4 guard, was both a high-flying slam dunker (he was nicknamed ‘Dr. Dunkenstein’) and a deadly three-point shooter.’

This story was originally published March 25, 2016 at 10:30 PM with the headline "Who was first woman ranked No. 1?."