Tim and Geoff Harcourt
“Airport economist” Tim Harcourt teaches at the University of NSW alongside his dad, leading economic theorist Geoff Harcourt.
Two of Us
Melissa Holman and Rachael Johns
When egg donor Melissa Holman contacted author Rachael Johns for advice about getting published, she found herself giving the writer invaluable insights into infertility.
Ella Ebery and Dorothy Patton
Ella Ebery, 101, and Dorothy Patton, 70, have been friends since they worked together on the weekly newspaper, North Central News at St Arnaud, in north-west Victoria.
Naomi Miller and Sue Currie
Knowing she'd have little support, Sue Currie gave her daughter, Naomi Miller, up for adoption in 1971. They reunited 20 years later.
Para Paheer and Alison Corke
Teacher Alison Corke started writing to Tamil asylum seeker Para Paheer in 2010.
Greig Fraser and Jodie Fried
Cinematographer Fraser and his wife Fried, a theatrical designer who champions the ethical textile industry, share a passion for India.
Chris Plater and Del Kathryn Barton
Archibald Prize-winning artist Del Kathryn Barton and financial services executive Chris Plater became engaged soon after they met.
Scott Marsh and Sbak
Scott Marsh grabbed global attention last year with his Sydney mural of rapper Kanye West embracing himself. He met painting partner Sbak 13 years ago.
Justin and Dan Hawkins
As brothers, British rock band The Darkness's frontman Justin Hawkins and rhythm guitarist Dan are quite different, but remain close friends.
Isabelle Oderberg and Geoff Ho
The fierce friendship between Oderberg and Ho was a comfort when Ho was stabbed during the London Bridge terrorist attack.
Sophie Gilliatt and Katherine Westwood
A few years after Gilliatt and Westwood met, they launched The Dinner Ladies. Despite disagreements, their friendship and business have boomed.
Andy and Jill Griffiths
Andy Griffiths, 56, is best known as the author of the Treehouse series of children’s books. Since he met his 55-year-old editor wife, Jill, just over two decades ago, they have collaborated on more than 30 books together.
Helen Goh and Yotam Ottolenghi
Melbourne pastry chef Helen Goh, 51, started working for Israeli-British chef Yotam Ottolenghi, 48, soon after moving to London. The two became firm – and occasionally fiery – friends.
Simon and Sally Chilvers
Former actor Simon Chilvers and complementary health practitioner Sally met in the 1980s. Their relationship deepened when Simon was diagnosed with MS.
Melanie and Nonda Katsalidis
Melanie Katsalidis is a jeweller. Her father Nonda is a leading architect.
Karin Schaupp and Katie Noonan
Musical magic can happen without a close friendship, but singer/songwriter Noonan has found both with guitarist Schaupp.
Jackie Cannizzaro-Harkins and Paul Field
Wiggles manager Paul Field relates to the grief of Jackie Cannizzaro-Harkins, who lost her firefighter husband in the 9/11 attacks.
Ryan Johnson and Tamara Asmar
Ryan Johnson appears in the TV series Doctor Doctor. His wife, Tamara Asmar, is a screenwriter for the show.
Lavinia Codd and Zoe McDonald
After suffering a stroke in 2001, Lavinia Codd went on to do a PhD, providing great inspiration for her daughter, Zoe.
Barney Miller and Kada Southwell
Keen surfer Barney Miller became a quadriplegic after a car accident. When he met Kate "Kada" Southwell, he encouraged her to sing.
Tim Clark and George Raftopoulos
Four years ago, club and restaurant owner Tim Clark, and artist George Raftopoulos, became instant mates, based around respect and friendly insults.
Ita Buttrose and her uncle, Gerald Buttrose
When Ita Buttrose's father lost his vision due to macular degeneration, she wanted to ensure her uncle did not suffer the same fate.
Chelsea Bonner and Nola Clark
Model agency founder Chelsea Bonner and her mum, Nola Clark, are best friends after surviving Chelsea's turbulent teenage years.
Rose and Karina Lester
Spurred on by personal tragedy, indigenous activists Rose Lester and her sister Karina have enjoyed success in their anti-nuclear campaigning.
Walter Mikac and Chris McCann
The day after Mikac lost his wife and children in the Port Arthur massacre, McCann flew from Melbourne to be by his side.
Pam Burridge and Roz Johnston
Roz Johnston and former world surfing champion Burridge have instilled their passion for wave-riding in many other women.
Maree Smith and Maree Jenner
Maree Smith and Maree Jenner both have achondroplasia. They met 50 years ago at the first national convention of the Short Statured People of Australia.
Bondi Rescue's Dean Gladstone and Anthony Carrolls
Meet lifesaver mates Dean “Deano” Gladstone, a health fanatic, and Anthony “Harries” Carroll, who's not afraid to get Botox or get naked.
Helen Szoke and Yvonne Campbell
Szoke and her older sister Campbell had two fathers, three mothers and a tumultuous childhood.
Sarah and Harry Brown
Sarah Brown was told during an ultrasound that her first son, Harry, had a rare brain defect. He's now a beautiful young man – who can also be wildly inappropriate.