Question:  Catriona Millar's first solo exhibition at the Dundas Street Gallery caught the attention of the co-founder of what ad agency?

<P0-S0> Charles Saatchi ( ; Arabic: تشارلز ساعتجي‎ ‎ ; born 9 June 1943) is an Iraqi-British businessman and the co-founder with his brother Maurice of advertising agency Saatchi & Saatchi. <P0-S1>  The brothers led the business – the world's largest advertising agency in the 1980s – until they were forced out in 1995. <P0-S2>  In the same year, the brothers formed a new agency called M&C Saatchi. <SEP> <P1-S0> Catriona Millar (born 23 January 1956) is a Scottish figurative painter born in Milngavie, Glasgow. <P1-S1>  She studied at Grays School of Art, Aberdeen, where her tutors included Joyce Cairns RSA and Keith Grant. <P1-S2>  Since the success of her 2005 degree show she has exhibited across the UK including the Royal Scottish Academy, Edinburgh. <P1-S3>  Her works are in both private and public collections. <P1-S4>  In October 2006 she came to the attention of Charles Saatchi with her first solo exhibition at the Dundas Street Gallery, Edinburgh. <P1-S5>  In April 2007 "The Herald" ranked her in the top five most collectable artists in Scotland. <SEP> <P2-S0> Hong Lei (; born 1960) is one of the leading artists in the era of China's New Photography movement in the 1990s. <P2-S1>  He was born in Changzhou, Jiangsu in 1960 and graduated from Nanjing University of the Arts in 1987. <P2-S2>  In 1992, he went to the China Central Academy of Fine Arts to pursue advanced studies in printmaking. <P2-S3>  Inspired by his early art experience in Yuan Ming Yuan and learning from traditional Chinese paintings, he returned to Changzhou and soon started to use photography as a way of art representation since 1996. <P2-S4>  His renowned works include "Autumn in the Forbidden City" (1997), "Chinese Landscape" (1998), "After Liang Kai's (Song Dynasty) Masterpiece Sakyamuni Coming Out of Retirement" (1998), "I Dreamt that I was Hung Upside Down to Listen to Huizong Play the Zither with Chairman Mao" (2004) and "Nothing to Hide" (2008), among others. <P2-S5>  Apart from his success in digital photos, he started to photograph black and white Shan shui landscapes as an ongoing experimental project since 2000 to rethink Chinese traditional aesthetics. <P2-S6>  In recent years, he has also explored the various boundaries and possibilities of photography by painting his own photos on silk, as well as video & installation works. <P2-S7>  His selected solo and group exhibitions include "Recontres d' Arles: Arles Phototography Festival" (Arles, France, 2003), "Alors, La Chine? <P2-S8> , Chinese Contemporary Art Exhibition" (Pompidou Centre, Paris, 2003), "Seven Worthies" (solo exhibition, Beijing, 2007), "Seasons" (solo exhibition, Beijing, New York, 2008), 2011 Chengdu Biennale, "Mi Lou" (solo exhibition, Beijing, 2012) and "Perfume This is Not" (solo exhibition, Shanghai, 2012). <P2-S9>  Now he lives and works in Changzhou and Shanghai. <SEP> <P3-S0> Martin Wilson is a visual artist, based in Newcastle, New South Wales, Australia. <P3-S1>  A graduate of the National Art School in Sydney in 1994, Martin works primarily in painting and textile media. <P3-S2>  Among his most prominent works is "The Fuzzy Prime Ministers" – a series of latch-hook rug portraits of each Prime Minister of Australia. <P3-S3>  The series was created to mark Australia’s Centenary of Federation in 2001 and was exhibited at Object Gallery in Sydney during the Sydney Festival, the National Portrait Gallery (Australia) in Canberra and regional art galleries throughout Australia. <P3-S4>  Following his election in November 2007, a portrait of Kevin Rudd – the 26th in the series – was first shown at the Flinders Street Gallery in Sydney. <P3-S5>  Martin’s other major works include "Blue Budgie on Pink" (2003) and "Raw Prawn" (2007). <P3-S6>  In April 2009 at the University of Newcastle Gallery, Martin presented "Post" (2009), a series of rug portraits of Australia Post workers for the "Making Our Times" exhibition, which he also co-curated with Jason Martin of the Flinders Street Gallery. <P3-S7>  Martin has exhibited extensively in artist-run spaces in Newcastle, Melbourne and Brisbane and was co-founder and co-director of Newcastle artist-run space Rocketart from 1999 to 2004.