Complex sentence: Bal Phondke (born 22 April 1939) is the nom-de-plume of Dr Gajanan Phondke, a leading Marathi writer of science literature (fiction and non fiction).
Split into simpler sentences: Bal Phondke (born 22 April 1939) is the nom-de-plume of Dr Gajanan Phondke, a leading Marathi writer. His specialty is science literature (fiction and non fiction).