Erika Boulton, 31, gave birth at 5.44am on July 5.
Chief executive Simon Stevens paid tribute to 1.5 million workers as the institution celebrates its 70th anniversary.
CEO of NHS England Simon Stevens has said the health service's success is down to the ‘brilliance of its staff’.
The NHS has changed dramatically since it was launched in 1948.
The picture from 1927 was among a haul of images unearthed at Sandwell Hospital.
Professor Dame Elizabeth Anionwu and Sue Rees met in 1965 while training to become nurses in the NHS and are still best friends today.
Staffing numbers have changed drastically since the creation of the health service 70 years ago.
The march was timed to mark the 70th anniversary of the health service.
Thousands attended a march through central London to celebrate the anniversary and call for more funding.