Penelope Green

His “Be Your Own House Plant Expert” and other best-selling manuals were a fixture of British life for half a century. Among his many fans was Margaret Thatcher.

She and Noel Furie had just come out as lesbians when they opened an unusual gathering place for women in Connecticut. Nearly half a century later, it is still thriving.

He believed that architects could design better buildings if they did the construction themselves. His do-it-yourself approach caught on.

He made his mark as a designer of experimental playgrounds in New York City and then used the same ideas to reinvent urban parks across the country.

His early work made use of unexpected materials like pennies and masking tape. Later, he created trenchant word paintings that provoked and delighted.

An artist known for his lush, large-scale oil paintings, he also created the Drawing Marathon, a two-week boot camp that transformed the lives of participants.

She was so successful at training dolphins that she began applying the same techniques to other creatures, including dogs — and humans.

She opened clinics, worked to educate women about their reproductive health, and promoted an abortion technique she felt was safe enough for laypeople.

Her home drew generations of heads of state, diplomats, journalists and artists, who relied on her for her political acumen and were buoyed by her friendship.

Ms. Richards oversaw the United States’ largest provider of reproductive health care and sex education from 2006 to 2018.